45023928 has 16 divisors (see below), whose sum is σ = 112559880. Its totient is φ = 15007968.

The previous prime is 45023911. The next prime is 45023929. The reversal of 45023928 is 82932054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023929) 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, 937975 + ... + 938022.

Almost surely, 2^45023928 is an apocalyptic number.

It is an amenable number.

45023928 is an abundant number, since it is smaller than the sum of its proper divisors (67535952).

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

45023928 is a wasteful number, since it uses less digits than its factorization.

45023928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876006 (or 1876002 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 45023928 is about 6709.9871832963. The cubic root of 45023928 is about 355.7523632359.

The spelling of 45023928 in words is "forty-five million, twenty-three thousand, nine hundred twenty-eight".