45557316 has 120 divisors (see below), whose sum is σ = 139043520. Its totient is φ = 12737088.

The previous prime is 45557299. The next prime is 45557341. The reversal of 45557316 is 61375554.

It is a super-2 number, since 2×45557316² = 4150938082247712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120015 + ... + 120393.

It is an arithmetic number, because the mean of its divisors is an integer number (1158696).

Almost surely, 2^45557316 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 45557316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69521760).

45557316 is an abundant number, since it is smaller than the sum of its proper divisors (93486204).

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

45557316 is a wasteful number, since it uses less digits than its factorization.

45557316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 444 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 45557316 is about 6749.6159890767. The cubic root of 45557316 is about 357.1516903568.

The spelling of 45557316 in words is "forty-five million, five hundred fifty-seven thousand, three hundred sixteen".