Names of 145
| Nominal | 145 |
| Cardinal | one hundred forty-five |
| Ordinal | 145th |
| This number as US currency | one hundred forty-five dollars |
| Is 145 an odd number? | 145 is an odd number |
| Is 145 an even number? | 145 is NOT an even number |
| Is 145 a palindrome? | 145 is NOT a palindrome number |
| Is 145 a triangle number? | 145 is NOT a triangle number |
145 in other Bases
| Base 2 (Binary) | 100100012 |
| Base 3 (Ternary) | 121013 |
| Base 4 (Quaternary) | 21014 |
| Base 5 (Quinary) | 10405 |
| Base 6 (Senary) | 4016 |
| Base 8 (Octal) | 2218 |
| Base 12 (Duodecimal) | 10112 |
| Base 16 (Hexadecimal) | 9116 |
| Base 20 (Vigesimal) | 7520 |
Primes and Factors tests for 145
| Is 145 a Prime Number? | 145 is NOT a prime |
| Is 145 a perfect number? | 145 is NOT a perfect number |
| Is 145 a Mersenne Prime? | 145 is NOT a Mersenne prime |
| Is 145 a Fermat Prime? | 145 is NOT a Fermat prime |
| Is 145 a Fibonacci Prime? | 145 is NOT a Fibonacci prime |
| Is 145 a Partition Prime? | 145 is NOT a Partition prime |
| Is 145 a Pell Prime? | 145 is NOT a Pell prime |
| Prime Factors | Prime factors of 145 |
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145 in other Numerals
| 145 in Roman Numeral | CXLV |
| 145 in Chinese Numeral | 壹佰肆拾伍 |
| 145 in Egyptian Numeral | 𓍢𓎉𓏾 |
| 145 in Babylonian Numeral |   |
Roots and stuff for 145
| Is 145 a square number? | 145 is NOT a square number |
| Is 145 a cube number? | 145 is NOT a cube number |
| Square root of the number 145 | 12.041594578792 |
| Cube root of the number 145 | 5.2535878724929 |
Recreational math for 145
| Number 145 reversed | 541 |
| Sum of the digits | 10 |
| No of digits | 3 |