45564637 has 8 divisors (see below), whose sum is σ = 47112192. Its totient is φ = 44022000.

The previous prime is 45564619. The next prime is 45564661. The reversal of 45564637 is 73646554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45564637 - 2⁷ = 45564509 is a prime.

It is a super-2 number, since 2×45564637² = 4152272289883538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45564637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45564677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35043 + ... + 36319.

It is an arithmetic number, because the mean of its divisors is an integer number (5889024).

Almost surely, 2^45564637 is an apocalyptic number.

It is an amenable number.

45564637 is a deficient number, since it is larger than the sum of its proper divisors (1547555).

45564637 is a wasteful number, since it uses less digits than its factorization.

45564637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its digits is 302400, while the sum is 40.

The square root of 45564637 is about 6750.1582944402. The cubic root of 45564637 is about 357.1708205990.

The spelling of 45564637 in words is "forty-five million, five hundred sixty-four thousand, six hundred thirty-seven".