100645204 has 48 divisors (see below), whose sum is σ = 204019200. Its totient is φ = 42962400.

The previous prime is 100645199. The next prime is 100645211. The reversal of 100645204 is 402546001.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 109057 + ... + 109975.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 2^100645204 is an apocalyptic number.

It is an amenable number.

100645204 is an abundant number, since it is smaller than the sum of its proper divisors (103373996).

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

100645204 is a wasteful number, since it uses less digits than its factorization.

100645204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 100645204 is about 10032.2083311702. The cubic root of 100645204 is about 465.1550013194.

The spelling of 100645204 in words is "one hundred million, six hundred forty-five thousand, two hundred four".