115259742 has 24 divisors (see below), whose sum is σ = 268939944. Its totient is φ = 35464464.

The previous prime is 115259731. The next prime is 115259743. The reversal of 115259742 is 247952511.

115259742 is a `hidden beast` number, since 1 + 1 + 525 + 97 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 115259697 and 115259706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115259743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246048 + ... + 246515.

It is an arithmetic number, because the mean of its divisors is an integer number (11205831).

Almost surely, 2^115259742 is an apocalyptic number.

115259742 is an abundant number, since it is smaller than the sum of its proper divisors (153680202).

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

115259742 is a wasteful number, since it uses less digits than its factorization.

115259742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492584 (or 492581 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 115259742 is about 10735.9089973788. The cubic root of 115259742 is about 486.6602568952.

The spelling of 115259742 in words is "one hundred fifteen million, two hundred fifty-nine thousand, seven hundred forty-two".