45636645 has 16 divisors (see below), whose sum is σ = 73160640. Its totient is φ = 24292224.

The previous prime is 45636593. The next prime is 45636659. The reversal of 45636645 is 54663654.

It is not a de Polignac number, because 45636645 - 2¹¹ = 45634597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5862 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (4572540).

Almost surely, 2^45636645 is an apocalyptic number.

It is an amenable number.

45636645 is a deficient number, since it is larger than the sum of its proper divisors (27523995).

45636645 is a wasteful number, since it uses less digits than its factorization.

45636645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924.

The product of its digits is 259200, while the sum is 39.

The square root of 45636645 is about 6755.4899896307. The cubic root of 45636645 is about 357.3588730129.

The spelling of 45636645 in words is "forty-five million, six hundred thirty-six thousand, six hundred forty-five".