45257032 has 8 divisors (see below), whose sum is σ = 84856950. Its totient is φ = 22628512.

The previous prime is 45257021. The next prime is 45257053. The reversal of 45257032 is 23075254.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 17956 = 6726^2 + 134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828557 + ... + 2828572.

Almost surely, 2^45257032 is an apocalyptic number.

It is an amenable number.

45257032 is a deficient number, since it is larger than the sum of its proper divisors (39599918).

45257032 is a wasteful number, since it uses less digits than its factorization.

45257032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657135 (or 5657131 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 45257032 is about 6727.3346876754. The cubic root of 45257032 is about 356.3652565619.

The spelling of 45257032 in words is "forty-five million, two hundred fifty-seven thousand, thirty-two".