115143039 has 20 divisors (see below), whose sum is σ = 187641960. Its totient is φ = 69783120.

The previous prime is 115143031. The next prime is 115143073. The reversal of 115143039 is 930341511.

It is not a de Polignac number, because 115143039 - 2³ = 115143031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115143031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63724 + ... + 65505.

It is an arithmetic number, because the mean of its divisors is an integer number (9382098).

Almost surely, 2^115143039 is an apocalyptic number.

115143039 is a deficient number, since it is larger than the sum of its proper divisors (72498921).

115143039 is a wasteful number, since it uses less digits than its factorization.

115143039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129252 (or 129243 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 115143039 is about 10730.4724499903. The cubic root of 115143039 is about 486.4959500569.

The spelling of 115143039 in words is "one hundred fifteen million, one hundred forty-three thousand, thirty-nine".