115142998 has 4 divisors (see below), whose sum is σ = 172714500. Its totient is φ = 57571498.

The previous prime is 115142981. The next prime is 115143031. The reversal of 115142998 is 899241511.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115142998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28785748 + ... + 28785751.

It is an arithmetic number, because the mean of its divisors is an integer number (43178625).

Almost surely, 2^115142998 is an apocalyptic number.

115142998 is a deficient number, since it is larger than the sum of its proper divisors (57571502).

115142998 is an equidigital number, since it uses as much as digits as its factorization.

115142998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57571501.

The product of its digits is 25920, while the sum is 40.

The square root of 115142998 is about 10730.4705395430. The cubic root of 115142998 is about 486.4958923133.

The spelling of 115142998 in words is "one hundred fifteen million, one hundred forty-two thousand, nine hundred ninety-eight".