102158798 has 32 divisors (see below), whose sum is σ = 183617280. Its totient is φ = 41711040.

The previous prime is 102158789. The next prime is 102158803. The reversal of 102158798 is 897851201.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22613 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^102158798 is an apocalyptic number.

102158798 is a deficient number, since it is larger than the sum of its proper divisors (81458482).

102158798 is a wasteful number, since it uses less digits than its factorization.

102158798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 102158798 is about 10107.3635533704. The cubic root of 102158798 is about 467.4752165458.

The spelling of 102158798 in words is "one hundred two million, one hundred fifty-eight thousand, seven hundred ninety-eight".