45239884 has 12 divisors (see below), whose sum is σ = 81900000. Its totient is φ = 21839888.

The previous prime is 45239879. The next prime is 45239911. The reversal of 45239884 is 48893254.

It is a self number, because there is not a number n which added to its sum of digits gives 45239884.

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, 194884 + ... + 195115.

It is an arithmetic number, because the mean of its divisors is an integer number (6825000).

Almost surely, 2^45239884 is an apocalyptic number.

It is an amenable number.

45239884 is a deficient number, since it is larger than the sum of its proper divisors (36660116).

45239884 is a wasteful number, since it uses less digits than its factorization.

45239884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390032 (or 390030 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 45239884 is about 6726.0600651496. The cubic root of 45239884 is about 356.3202416538.

The spelling of 45239884 in words is "forty-five million, two hundred thirty-nine thousand, eight hundred eighty-four".