45630128 has 20 divisors (see below), whose sum is σ = 89908680. Its totient is φ = 22427904.

The previous prime is 45630127. The next prime is 45630131. The reversal of 45630128 is 82103654.

It is a self number, because there is not a number n which added to its sum of digits gives 45630128.

It is not an unprimeable number, because it can be changed into a prime (45630127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23225 + ... + 25112.

It is an arithmetic number, because the mean of its divisors is an integer number (4495434).

Almost surely, 2^45630128 is an apocalyptic number.

It is an amenable number.

45630128 is a deficient number, since it is larger than the sum of its proper divisors (44278552).

45630128 is a wasteful number, since it uses less digits than its factorization.

45630128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48404 (or 48398 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 45630128 is about 6755.0076239779. The cubic root of 45630128 is about 357.3418616934.

The spelling of 45630128 in words is "forty-five million, six hundred thirty thousand, one hundred twenty-eight".