45043888 has 20 divisors (see below), whose sum is σ = 87376600. Its totient is φ = 22495104.

The previous prime is 45043883. The next prime is 45043903. The reversal of 45043888 is 88834054.

It is a self number, because there is not a number n which added to its sum of digits gives 45043888.

It is not an unprimeable number, because it can be changed into a prime (45043883) 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, 25663 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (4368830).

Almost surely, 2^45043888 is an apocalyptic number.

It is an amenable number.

45043888 is a deficient number, since it is larger than the sum of its proper divisors (42332712).

45043888 is a wasteful number, since it uses less digits than its factorization.

45043888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 45043888 is about 6711.4743536722. The cubic root of 45043888 is about 355.8049261614.

The spelling of 45043888 in words is "forty-five million, forty-three thousand, eight hundred eighty-eight".