45233728 has 28 divisors (see below), whose sum is σ = 89976960. Its totient is φ = 22562432.

The previous prime is 45233723. The next prime is 45233729. The reversal of 45233728 is 82733254.

It is a junction number, because it is equal to n+sod(n) for n = 45233693 and 45233702.

It is not an unprimeable number, because it can be changed into a prime (45233723) 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, 45525 + ... + 46507.

Almost surely, 2^45233728 is an apocalyptic number.

It is an amenable number.

45233728 is a deficient number, since it is larger than the sum of its proper divisors (44743232).

45233728 is an equidigital number, since it uses as much as digits as its factorization.

45233728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1704 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 45233728 is about 6725.6024265489. The cubic root of 45233728 is about 356.3040788736.

The spelling of 45233728 in words is "forty-five million, two hundred thirty-three thousand, seven hundred twenty-eight".