| Decimal | 45 |
| Binary | 101101 |
| Hexadecimal | 0x2d |
| Roman | XLV |
| Square root of | 2025 |
| Factors | 5 3 3 |
| English | forty-five |
| Wikipedia article about 45 | Article about 45 |
| ASCII code for | Hyphen |
| random from 0 to 6 | Show |
| random from 0 to 10 | Show |
| random from 0 to 100 | Show |
| random from 0 to 1000 | Show |