Number 45

Representations of 45
Greek numeral
μεʹ
Sanskrit numeral
४५
Arabic numeral
٤٥
Roman numeral
XLV
Maya numeral
●●
▃▃▃▃▃
Chinese numeral
四十五
Hebrew numeral
מה
45 in different numeral systems
Binary
101101
Base-3
1200
Base-4
231
Base-5
140
Base-6
113
Base-7
63
Base-8
55
Duodecimal
39
Hex
2d
Vigesimal
25
Base-24
1l
Base-36
19
Negabinary
1111101
Factorization
Prime factors
3, 5
Divisors
1, 3, 5, 9, 15, 45
Sum of divisors other than 45
33
Product of prime factors
45 = 3 x 3 x 5
Characteristics
Triangular Hexagonal Difference of 2 squares Harshad Kaprekar Odd Composite Deficient
Related primes
Number 45 prime
197
Prime number before 45
43
Prime number after 45
47