115133142 has 16 divisors (see below), whose sum is σ = 230574960. Its totient is φ = 38326272.

The previous prime is 115133113. The next prime is 115133143. The reversal of 115133142 is 241331511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115133143) 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, 7863 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (14410935).

Almost surely, 2^115133142 is an apocalyptic number.

115133142 is an abundant number, since it is smaller than the sum of its proper divisors (115441818).

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

115133142 is a wasteful number, since it uses less digits than its factorization.

115133142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727.

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

The square root of 115133142 is about 10730.0112767881. The cubic root of 115133142 is about 486.4820109066.

Adding to 115133142 its reverse (241331511), we get a palindrome (356464653).

The spelling of 115133142 in words is "one hundred fifteen million, one hundred thirty-three thousand, one hundred forty-two".