45221316 has 36 divisors (see below), whose sum is σ = 122745168. Its totient is φ = 12920208.

The previous prime is 45221299. The next prime is 45221347. The reversal of 45221316 is 61312254.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37866 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (3409588).

Almost surely, 2^45221316 is an apocalyptic number.

It is an amenable number.

45221316 is an abundant number, since it is smaller than the sum of its proper divisors (77523852).

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

45221316 is a wasteful number, since it uses less digits than its factorization.

45221316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76928 (or 76919 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 45221316 is about 6724.6796206213. The cubic root of 45221316 is about 356.2714863003.

The spelling of 45221316 in words is "forty-five million, two hundred twenty-one thousand, three hundred sixteen".