115131442 has 8 divisors (see below), whose sum is σ = 172786176. Its totient is φ = 57536052.

The previous prime is 115131433. The next prime is 115131451. The reversal of 115131442 is 244131511.

It is an interprime number because it is at equal distance from previous prime (115131433) and next prime (115131451).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618 + ... + 17965.

It is an arithmetic number, because the mean of its divisors is an integer number (21598272).

Almost surely, 2^115131442 is an apocalyptic number.

115131442 is a deficient number, since it is larger than the sum of its proper divisors (57654734).

115131442 is a wasteful number, since it uses less digits than its factorization.

115131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29672.

The product of its digits is 480, while the sum is 22.

The square root of 115131442 is about 10729.9320594308. The cubic root of 115131442 is about 486.4796165092.

Adding to 115131442 its reverse (244131511), we get a palindrome (359262953).

The spelling of 115131442 in words is "one hundred fifteen million, one hundred thirty-one thousand, four hundred forty-two".