102645860 has 24 divisors (see below), whose sum is σ = 215750976. Its totient is φ = 41021280.

The previous prime is 102645853. The next prime is 102645871. The reversal of 102645860 is 68546201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35219 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (8989624).

Almost surely, 2^102645860 is an apocalyptic number.

102645860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102645860 is an abundant number, since it is smaller than the sum of its proper divisors (113105116).

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

102645860 is a wasteful number, since it uses less digits than its factorization.

102645860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643 (or 4641 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 102645860 is about 10131.4293167351. The cubic root of 102645860 is about 468.2169654131.

The spelling of 102645860 in words is "one hundred two million, six hundred forty-five thousand, eight hundred sixty".