45638856 has 32 divisors (see below), whose sum is σ = 126775200. Its totient is φ = 15212880.

The previous prime is 45638783. The next prime is 45638861. The reversal of 45638856 is 65883654.

45638856 is a `hidden beast` number, since 4 + 5 + 638 + 8 + 5 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105430 + ... + 105861.

It is an arithmetic number, because the mean of its divisors is an integer number (3961725).

Almost surely, 2^45638856 is an apocalyptic number.

It is an amenable number.

45638856 is an abundant number, since it is smaller than the sum of its proper divisors (81136344).

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

45638856 is a wasteful number, since it uses less digits than its factorization.

45638856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211306 (or 211296 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 45638856 is about 6755.6536323290. The cubic root of 45638856 is about 357.3646440164.

The spelling of 45638856 in words is "forty-five million, six hundred thirty-eight thousand, eight hundred fifty-six".