45728886 has 16 divisors (see below), whose sum is σ = 104523264. Its totient is φ = 13065384.

The previous prime is 45728873. The next prime is 45728927. The reversal of 45728886 is 68882754.

It is a super-2 number, since 2×45728886² = 4182262029601992, which contains 22 as substring.

It is a congruent number.

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, 544350 + ... + 544433.

It is an arithmetic number, because the mean of its divisors is an integer number (6532704).

Almost surely, 2^45728886 is an apocalyptic number.

45728886 is an abundant number, since it is smaller than the sum of its proper divisors (58794378).

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

45728886 is a wasteful number, since it uses less digits than its factorization.

45728886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088795.

The product of its digits is 860160, while the sum is 48.

The square root of 45728886 is about 6762.3136573217. The cubic root of 45728886 is about 357.5994761239.

The spelling of 45728886 in words is "forty-five million, seven hundred twenty-eight thousand, eight hundred eighty-six".