115818942 has 8 divisors (see below), whose sum is σ = 231637896. Its totient is φ = 38606312.

The previous prime is 115818929. The next prime is 115818949. The reversal of 115818942 is 249818511.

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

115818942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 115818942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115818949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9651573 + ... + 9651584.

It is an arithmetic number, because the mean of its divisors is an integer number (28954737).

Almost surely, 2^115818942 is an apocalyptic number.

115818942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115818942 is a wasteful number, since it uses less digits than its factorization.

115818942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303162.

The product of its digits is 23040, while the sum is 39.

The square root of 115818942 is about 10761.9209251880. The cubic root of 115818942 is about 487.4460226891.

It can be divided in two parts, 1158 and 18942, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 115818942 in words is "one hundred fifteen million, eight hundred eighteen thousand, nine hundred forty-two".