102154256204 has 96 divisors (see below), whose sum is σ = 240431826432. Its totient is φ = 36676800000.

The previous prime is 102154256173. The next prime is 102154256207. The reversal of 102154256204 is 402652451201.

It is not an unprimeable number, because it can be changed into a prime (102154256207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2385179 + ... + 2427629.

It is an arithmetic number, because the mean of its divisors is an integer number (2504498192).

Almost surely, 2^102154256204 is an apocalyptic number.

102154256204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102154256204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120215913216).

102154256204 is an abundant number, since it is smaller than the sum of its proper divisors (138277570228).

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

102154256204 is a wasteful number, since it uses less digits than its factorization.

102154256204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43087 (or 43085 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 102154256204 in words is "one hundred two billion, one hundred fifty-four million, two hundred fifty-six thousand, two hundred four".