45964521 has 12 divisors (see below), whose sum is σ = 66535872. Its totient is φ = 30577176.

The previous prime is 45964519. The next prime is 45964531. The reversal of 45964521 is 12546954.

45964521 is a `hidden beast` number, since 4 + 5 + 9 + 645 + 2 + 1 = 666.

It is not a de Polignac number, because 45964521 - 2¹ = 45964519 is a prime.

It is a super-2 number, since 2×45964521² = 4225474381518882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45964531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (5544656).

Almost surely, 2^45964521 is an apocalyptic number.

It is an amenable number.

45964521 is a deficient number, since it is larger than the sum of its proper divisors (20571351).

45964521 is a wasteful number, since it uses less digits than its factorization.

45964521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980 (or 10977 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45964521 is about 6779.7139320181. The cubic root of 45964521 is about 358.2126453248.

It can be divided in two parts, 459 and 64521, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 45964521 in words is "forty-five million, nine hundred sixty-four thousand, five hundred twenty-one".