45839728 has 20 divisors (see below), whose sum is σ = 96888888. Its totient is φ = 20836160.

The previous prime is 45839719. The next prime is 45839767. The reversal of 45839728 is 82793854.

It is a super-2 number, since 2×45839728² = 4202561326227968, 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 3 ways as a sum of consecutive naturals, for example, 130051 + ... + 130402.

Almost surely, 2^45839728 is an apocalyptic number.

It is an amenable number.

45839728 is an abundant number, since it is smaller than the sum of its proper divisors (51049160).

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

45839728 is a wasteful number, since it uses less digits than its factorization.

45839728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260472 (or 260466 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 45839728 is about 6770.5042648240. The cubic root of 45839728 is about 357.8881708077. Note that the first 3 decimals are identical.

It can be divided in two parts, 458 and 39728, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 45839728 in words is "forty-five million, eight hundred thirty-nine thousand, seven hundred twenty-eight".