45392032 has 36 divisors (see below), whose sum is σ = 103959450. Its totient is φ = 19453056.

The previous prime is 45392027. The next prime is 45392059. The reversal of 45392032 is 23029354.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 20830096 = 4956^2 + 4564^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12907 + ... + 16042.

Almost surely, 2^45392032 is an apocalyptic number.

It is an amenable number.

45392032 is an abundant number, since it is smaller than the sum of its proper divisors (58567418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45392032 is a wasteful number, since it uses less digits than its factorization.

45392032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28973 (or 28958 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 45392032 is about 6737.3609076552. The cubic root of 45392032 is about 356.7192461376.

The spelling of 45392032 in words is "forty-five million, three hundred ninety-two thousand, thirty-two".