102045555401864 has 32 divisors (see below), whose sum is σ = 191420571837600. Its totient is φ = 51000071612160.

The previous prime is 102045555401849. The next prime is 102045555401903. The reversal of 102045555401864 is 468104555540201.

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, 444065507 + ... + 444295245.

It is an arithmetic number, because the mean of its divisors is an integer number (5981892869925).

Almost surely, 2^{102045555401864} is an apocalyptic number.

It is an amenable number.

102045555401864 is a deficient number, since it is larger than the sum of its proper divisors (89375016435736).

102045555401864 is a wasteful number, since it uses less digits than its factorization.

102045555401864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254213 (or 254209 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 50.

The spelling of 102045555401864 in words is "one hundred two trillion, forty-five billion, five hundred fifty-five million, four hundred one thousand, eight hundred sixty-four".