45636637 has 4 divisors (see below), whose sum is σ = 46186560. Its totient is φ = 45086716.

The previous prime is 45636593. The next prime is 45636659. The reversal of 45636637 is 73663654.

45636637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45636637 - 2¹⁹ = 45112349 is a prime.

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 45636637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45636667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274837 + ... + 275002.

It is an arithmetic number, because the mean of its divisors is an integer number (11546640).

Almost surely, 2^45636637 is an apocalyptic number.

It is an amenable number.

45636637 is a deficient number, since it is larger than the sum of its proper divisors (549923).

45636637 is an equidigital number, since it uses as much as digits as its factorization.

45636637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549922.

The product of its digits is 272160, while the sum is 40.

The square root of 45636637 is about 6755.4893975196. The cubic root of 45636637 is about 357.3588521315.

It can be divided in two parts, 45 and 636637, that multiplied together give a triangular number (28648665 = T₇₅₆₉).

The spelling of 45636637 in words is "forty-five million, six hundred thirty-six thousand, six hundred thirty-seven".