# Divisors of the Positive Integer 45

1, 3, 5, 9, 15, 45## Sum of all the Divisors of 45, including itself

78## Sum of the Proper Divisors of 45

33## Properties of the number 45

The integer 45 is an**odd**number.

The integer 45 is a

**Composite**number.

33 is

*less than*45, so 45 is a

**deficient**number.

## The number 45 as a Roman Numeral

**XLV**

## The number 45 in various Numeral Systems

Base |
Representation |
---|---|

2: | 101101 |

3: | 1200 |

4: | 231 |

5: | 140 |

6: | 113 |

7: | 63 |

8: | 55 |

9: | 50 |

10: | 45 |

11: | 41 |

12: | 39 |

13: | 36 |

14: | 33 |

15: | 30 |

16: | 2D |

17: | 2B |

18: | 29 |

19: | 27 |

20: | 25 |

21: | 23 |

22: | 21 |

23: | 1M |

24: | 1L |

25: | 1K |

26: | 1J |

27: | 1I |

28: | 1H |

29: | 1G |

30: | 1F |

31: | 1E |

32: | 1D |

33: | 1C |

34: | 1B |

35: | 1A |

36: | 19 |