102306215904 has 48 divisors (see below), whose sum is σ = 268602424272. Its totient is φ = 34095899648.

The previous prime is 102306215887. The next prime is 102306215909. The reversal of 102306215904 is 409512603201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102306215909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452932 + ... + 640124.

It is an arithmetic number, because the mean of its divisors is an integer number (5595883839).

Almost surely, 2^102306215904 is an apocalyptic number.

It is an amenable number.

102306215904 is an abundant number, since it is smaller than the sum of its proper divisors (166296208368).

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

102306215904 is a wasteful number, since it uses less digits than its factorization.

102306215904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192899 (or 192891 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 102306215904 in words is "one hundred two billion, three hundred six million, two hundred fifteen thousand, nine hundred four".