45215564 has 6 divisors (see below), whose sum is σ = 79127244. Its totient is φ = 22607780.

The previous prime is 45215561. The next prime is 45215581. The reversal of 45215564 is 46551254.

It is a self number, because there is not a number n which added to its sum of digits gives 45215564.

It is not an unprimeable number, because it can be changed into a prime (45215561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651942 + ... + 5651949.

It is an arithmetic number, because the mean of its divisors is an integer number (13187874).

Almost surely, 2^45215564 is an apocalyptic number.

It is an amenable number.

45215564 is a deficient number, since it is larger than the sum of its proper divisors (33911680).

45215564 is a wasteful number, since it uses less digits than its factorization.

45215564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303895 (or 11303893 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 45215564 is about 6724.2519286535. The cubic root of 45215564 is about 356.2563801463.

The spelling of 45215564 in words is "forty-five million, two hundred fifteen thousand, five hundred sixty-four".