45210636 has 72 divisors (see below), whose sum is σ = 119623504. Its totient is φ = 14929920.

The previous prime is 45210629. The next prime is 45210689. The reversal of 45210636 is 63601254.

45210636 is a `hidden beast` number, since 4 + 5 + 21 + 0 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187476 + ... + 187716.

Almost surely, 2^45210636 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 45210636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59811752).

45210636 is an abundant number, since it is smaller than the sum of its proper divisors (74412868).

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

45210636 is a wasteful number, since it uses less digits than its factorization.

45210636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45210636 is about 6723.8854838553. The cubic root of 45210636 is about 356.2434369982.

It can be divided in two parts, 45 and 210636, that added together give a square (210681 = 459²).

The spelling of 45210636 in words is "forty-five million, two hundred ten thousand, six hundred thirty-six".