45087216 has 20 divisors (see below), whose sum is σ = 116475432. Its totient is φ = 15029056.

The previous prime is 45087197. The next prime is 45087271. The reversal of 45087216 is 61278054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469611 + ... + 469706.

Almost surely, 2^45087216 is an apocalyptic number.

It is an amenable number.

45087216 is an abundant number, since it is smaller than the sum of its proper divisors (71388216).

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

45087216 is a wasteful number, since it uses less digits than its factorization.

45087216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939328 (or 939322 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 45087216 is about 6714.7014825679. The cubic root of 45087216 is about 355.9189732693.

The spelling of 45087216 in words is "forty-five million, eighty-seven thousand, two hundred sixteen".