102644632 has 16 divisors (see below), whose sum is σ = 192569760. Its totient is φ = 51292704.

The previous prime is 102644611. The next prime is 102644651. The reversal of 102644632 is 236446201.

It is a self number, because there is not a number n which added to its sum of digits gives 102644632.

It is a congruent 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, 19818 + ... + 24454.

It is an arithmetic number, because the mean of its divisors is an integer number (12035610).

Almost surely, 2^102644632 is an apocalyptic number.

It is an amenable number.

102644632 is a deficient number, since it is larger than the sum of its proper divisors (89925128).

102644632 is a wasteful number, since it uses less digits than its factorization.

102644632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 102644632 is about 10131.3687130614. The cubic root of 102644632 is about 468.2150982401.

The spelling of 102644632 in words is "one hundred two million, six hundred forty-four thousand, six hundred thirty-two".