45388812 has 24 divisors (see below), whose sum is σ = 121037056. Its totient is φ = 12968208.

The previous prime is 45388801. The next prime is 45388831. The reversal of 45388812 is 21888354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270088 + ... + 270255.

Almost surely, 2^45388812 is an apocalyptic number.

45388812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45388812 is an abundant number, since it is smaller than the sum of its proper divisors (75648244).

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

45388812 is a wasteful number, since it uses less digits than its factorization.

45388812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540357 (or 540355 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 45388812 is about 6737.1219374448. The cubic root of 45388812 is about 356.7108110072.

The spelling of 45388812 in words is "forty-five million, three hundred eighty-eight thousand, eight hundred twelve".