100853644 has 12 divisors (see below), whose sum is σ = 176798664. Its totient is φ = 50339744.

The previous prime is 100853593. The next prime is 100853659. The reversal of 100853644 is 446358001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19129 + ... + 23824.

It is an arithmetic number, because the mean of its divisors is an integer number (14733222).

Almost surely, 2^100853644 is an apocalyptic number.

It is an amenable number.

100853644 is a deficient number, since it is larger than the sum of its proper divisors (75945020).

100853644 is a wasteful number, since it uses less digits than its factorization.

100853644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43544 (or 43542 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 100853644 is about 10042.5914982140. The cubic root of 100853644 is about 465.4758977215.

The spelling of 100853644 in words is "one hundred million, eight hundred fifty-three thousand, six hundred forty-four".