115257542 has 16 divisors (see below), whose sum is σ = 179852400. Its totient is φ = 55329120.

The previous prime is 115257539. The next prime is 115257547. The reversal of 115257542 is 245752511.

It is a junction number, because it is equal to n+sod(n) for n = 115257499 and 115257508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115257547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009 + ... + 15987.

It is an arithmetic number, because the mean of its divisors is an integer number (11240775).

Almost surely, 2^115257542 is an apocalyptic number.

115257542 is a deficient number, since it is larger than the sum of its proper divisors (64594858).

115257542 is a wasteful number, since it uses less digits than its factorization.

115257542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191.

The product of its digits is 14000, while the sum is 32.

The square root of 115257542 is about 10735.8065370050. The cubic root of 115257542 is about 486.6571605282.

The spelling of 115257542 in words is "one hundred fifteen million, two hundred fifty-seven thousand, five hundred forty-two".