45636518 has 16 divisors (see below), whose sum is σ = 72353520. Its totient is φ = 21528576.

The previous prime is 45636511. The next prime is 45636523. The reversal of 45636518 is 81563654.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45636511) 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, 7430 + ... + 12102.

It is an arithmetic number, because the mean of its divisors is an integer number (4522095).

Almost surely, 2^45636518 is an apocalyptic number.

45636518 is a deficient number, since it is larger than the sum of its proper divisors (26717002).

45636518 is a wasteful number, since it uses less digits than its factorization.

45636518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951.

The product of its digits is 86400, while the sum is 38.

The square root of 45636518 is about 6755.4805898618. The cubic root of 45636518 is about 357.3585415204.

The spelling of 45636518 in words is "forty-five million, six hundred thirty-six thousand, five hundred eighteen".