45388836 has 60 divisors (see below), whose sum is σ = 122510080. Its totient is φ = 14638320.

The previous prime is 45388831. The next prime is 45388841. The reversal of 45388836 is 63888354.

45388836 is a `hidden beast` number, since 4 + 538 + 88 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (45388831) and next prime (45388841).

It is a junction number, because it is equal to n+sod(n) for n = 45388791 and 45388800.

It is not an unprimeable number, because it can be changed into a prime (45388831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7785 + ... + 12303.

Almost surely, 2^45388836 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 45388836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61255040).

45388836 is an abundant number, since it is smaller than the sum of its proper divisors (77121244).

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

45388836 is a wasteful number, since it uses less digits than its factorization.

45388836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4555 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 45388836 is about 6737.1237186206. The cubic root of 45388836 is about 356.7108738792.

The spelling of 45388836 in words is "forty-five million, three hundred eighty-eight thousand, eight hundred thirty-six".