Names of 545
| Nominal | 545 |
| Cardinal | five hundred forty-five |
| Ordinal | 545th |
| This number as US currency | five hundred forty-five dollars |
| Is 545 an odd number? | 545 is an odd number |
| Is 545 an even number? | 545 is NOT an even number |
| Is 545 a palindrome? | 545 is a palindrome number |
| Is 545 a triangle number? | 545 is NOT a triangle number |
545 in other Bases
| Base 2 (Binary) | 10001000012 |
| Base 3 (Ternary) | 2020123 |
| Base 4 (Quaternary) | 202014 |
| Base 5 (Quinary) | 41405 |
| Base 6 (Senary) | 23056 |
| Base 8 (Octal) | 10418 |
| Base 12 (Duodecimal) | 39512 |
| Base 16 (Hexadecimal) | 22116 |
| Base 20 (Vigesimal) | 17520 |
Primes and Factors tests for 545
| Is 545 a Prime Number? | 545 is NOT a prime |
| Is 545 a perfect number? | 545 is NOT a perfect number |
| Is 545 a Mersenne Prime? | 545 is NOT a Mersenne prime |
| Is 545 a Fermat Prime? | 545 is NOT a Fermat prime |
| Is 545 a Fibonacci Prime? | 545 is NOT a Fibonacci prime |
| Is 545 a Partition Prime? | 545 is NOT a Partition prime |
| Is 545 a Pell Prime? | 545 is NOT a Pell prime |
| Prime Factors | Prime factors of 545 |
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545 in other Numerals
| 545 in Roman Numeral | DXLV |
| 545 in Chinese Numeral | 伍佰肆拾伍 |
| 545 in Egyptian Numeral | 𓍦𓎉𓏾 |
| 545 in Babylonian Numeral |   |
Roots and stuff for 545
| Is 545 a square number? | 545 is NOT a square number |
| Is 545 a cube number? | 545 is NOT a cube number |
| Square root of the number 545 | 23.345235059858 |
| Cube root of the number 545 | 8.1683091703038 |
Recreational math for 545
| Number 545 reversed | 545 |
| Sum of the digits | 14 |
| No of digits | 3 |