45636636 has 48 divisors (see below), whose sum is σ = 113248800. Its totient is φ = 14254080.

The previous prime is 45636593. The next prime is 45636659. The reversal of 45636636 is 63663654.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45636594 and 45636603.

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, 70876 + ... + 71516.

It is an arithmetic number, because the mean of its divisors is an integer number (2359350).

Almost surely, 2^45636636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45636636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56624400).

45636636 is an abundant number, since it is smaller than the sum of its proper divisors (67612164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45636636 is a wasteful number, since it uses less digits than its factorization.

45636636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 45636636 is about 6755.4893235057. The cubic root of 45636636 is about 357.3588495213.

The spelling of 45636636 in words is "forty-five million, six hundred thirty-six thousand, six hundred thirty-six".