102289132 has 48 divisors (see below), whose sum is σ = 200309760. Its totient is φ = 45315200.

The previous prime is 102289129. The next prime is 102289147. The reversal of 102289132 is 231982201.

It is a self number, because there is not a number n which added to its sum of digits gives 102289132.

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, 427869 + ... + 428107.

It is an arithmetic number, because the mean of its divisors is an integer number (4173120).

Almost surely, 2^102289132 is an apocalyptic number.

It is an amenable number.

102289132 is a deficient number, since it is larger than the sum of its proper divisors (98020628).

102289132 is a wasteful number, since it uses less digits than its factorization.

102289132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102289132 is about 10113.8089758508. The cubic root of 102289132 is about 467.6739333927.

The spelling of 102289132 in words is "one hundred two million, two hundred eighty-nine thousand, one hundred thirty-two".