45657432 has 40 divisors (see below), whose sum is σ = 127884900. Its totient is φ = 15218928.

The previous prime is 45657421. The next prime is 45657439. The reversal of 45657432 is 23475654.

45657432 is a `hidden beast` number, since 4 + 56 + 574 + 32 = 666.

45657432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45657439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34582 + ... + 35877.

Almost surely, 2^45657432 is an apocalyptic number.

It is an amenable number.

45657432 is an abundant number, since it is smaller than the sum of its proper divisors (82227468).

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

45657432 is a wasteful number, since it uses less digits than its factorization.

45657432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70477 (or 70464 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 45657432 is about 6757.0283409203. The cubic root of 45657432 is about 357.4131224823.

The spelling of 45657432 in words is "forty-five million, six hundred fifty-seven thousand, four hundred thirty-two".