45621316 has 12 divisors (see below), whose sum is σ = 85978732. Its totient is φ = 21055968.

The previous prime is 45621307. The next prime is 45621341. The reversal of 45621316 is 61312654.

It can be written as a sum of positive squares in 2 ways, for example, as 13176900 + 32444416 = 3630^2 + 5696^2 .

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, 438615 + ... + 438718.

Almost surely, 2^45621316 is an apocalyptic number.

It is an amenable number.

45621316 is a deficient number, since it is larger than the sum of its proper divisors (40357416).

45621316 is a wasteful number, since it uses less digits than its factorization.

45621316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877350 (or 877348 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 45621316 is about 6754.3553356334. The cubic root of 45621316 is about 357.3188571615.

The spelling of 45621316 in words is "forty-five million, six hundred twenty-one thousand, three hundred sixteen".