45023129 has 16 divisors (see below), whose sum is σ = 48176640. Its totient is φ = 42007680.

The previous prime is 45023119. The next prime is 45023131. The reversal of 45023129 is 92132054.

It is a cyclic number.

It is not a de Polignac number, because 45023129 - 2⁴ = 45023113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45023098 and 45023107.

It is not an unprimeable number, because it can be changed into a prime (45023119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109877 + ... + 110285.

It is an arithmetic number, because the mean of its divisors is an integer number (3011040).

Almost surely, 2^45023129 is an apocalyptic number.

It is an amenable number.

45023129 is a deficient number, since it is larger than the sum of its proper divisors (3153511).

45023129 is a wasteful number, since it uses less digits than its factorization.

45023129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 45023129 is about 6709.9276449154. The cubic root of 45023129 is about 355.7502588155.

The spelling of 45023129 in words is "forty-five million, twenty-three thousand, one hundred twenty-nine".