45478564 has 6 divisors (see below), whose sum is σ = 79587494. Its totient is φ = 22739280.

The previous prime is 45478561. The next prime is 45478579. The reversal of 45478564 is 46587454.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 18852964 = 5160^2 + 4342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45478564.

It is not an unprimeable number, because it can be changed into a prime (45478561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5684817 + ... + 5684824.

Almost surely, 2^45478564 is an apocalyptic number.

It is an amenable number.

45478564 is a deficient number, since it is larger than the sum of its proper divisors (34108930).

45478564 is a wasteful number, since it uses less digits than its factorization.

45478564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369645 (or 11369643 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 45478564 is about 6743.7796523908. The cubic root of 45478564 is about 356.9457766145.

The spelling of 45478564 in words is "forty-five million, four hundred seventy-eight thousand, five hundred sixty-four".