100644052 has 6 divisors (see below), whose sum is σ = 176127098. Its totient is φ = 50322024.

The previous prime is 100644041. The next prime is 100644077. The reversal of 100644052 is 250446001.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 9326916 = 9556^2 + 3054^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580503 + ... + 12580510.

Almost surely, 2^100644052 is an apocalyptic number.

It is an amenable number.

100644052 is a deficient number, since it is larger than the sum of its proper divisors (75483046).

100644052 is a wasteful number, since it uses less digits than its factorization.

100644052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161017 (or 25161015 counting only the distinct ones).

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

The square root of 100644052 is about 10032.1509159302. The cubic root of 100644052 is about 465.1532265681.

The spelling of 100644052 in words is "one hundred million, six hundred forty-four thousand, fifty-two".