115331142 has 16 divisors (see below), whose sum is σ = 231997680. Its totient is φ = 38221152.

The previous prime is 115331093. The next prime is 115331143. The reversal of 115331142 is 241133511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115331143) 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, 54517 + ... + 56592.

It is an arithmetic number, because the mean of its divisors is an integer number (14499855).

Almost surely, 2^115331142 is an apocalyptic number.

115331142 is an abundant number, since it is smaller than the sum of its proper divisors (116666538).

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

115331142 is a wasteful number, since it uses less digits than its factorization.

115331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111287.

The product of its digits is 360, while the sum is 21.

The square root of 115331142 is about 10739.2337715500. The cubic root of 115331142 is about 486.7607266955.

Adding to 115331142 its reverse (241133511), we get a palindrome (356464653).

The spelling of 115331142 in words is "one hundred fifteen million, three hundred thirty-one thousand, one hundred forty-two".