45915216 has 80 divisors (see below), whose sum is σ = 124753920. Its totient is φ = 14532480.

The previous prime is 45915197. The next prime is 45915217. The reversal of 45915216 is 61251954.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45915217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87531 + ... + 88053.

It is an arithmetic number, because the mean of its divisors is an integer number (1559424).

Almost surely, 2^45915216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45915216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62376960).

45915216 is an abundant number, since it is smaller than the sum of its proper divisors (78838704).

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

45915216 is a wasteful number, since it uses less digits than its factorization.

45915216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 618 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 45915216 is about 6776.0767410058. The cubic root of 45915216 is about 358.0845175649.

The spelling of 45915216 in words is "forty-five million, nine hundred fifteen thousand, two hundred sixteen".