102542858 has 8 divisors (see below), whose sum is σ = 167797440. Its totient is φ = 46610380.

The previous prime is 102542837. The next prime is 102542879. The reversal of 102542858 is 858245201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102542837) and next prime (102542879).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330498 + ... + 2330541.

It is an arithmetic number, because the mean of its divisors is an integer number (20974680).

Almost surely, 2^102542858 is an apocalyptic number.

102542858 is a deficient number, since it is larger than the sum of its proper divisors (65254582).

102542858 is a wasteful number, since it uses less digits than its factorization.

102542858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661052.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 102542858 is about 10126.3447502048. The cubic root of 102542858 is about 468.0602991679.

The spelling of 102542858 in words is "one hundred two million, five hundred forty-two thousand, eight hundred fifty-eight".