115012143 has 32 divisors (see below), whose sum is σ = 176647680. Its totient is φ = 74830392.

The previous prime is 115012099. The next prime is 115012147. The reversal of 115012143 is 341210511.

It is not a de Polignac number, because 115012143 - 2²⁰ = 113963567 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115012147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93430 + ... + 94652.

It is an arithmetic number, because the mean of its divisors is an integer number (5520240).

Almost surely, 2^115012143 is an apocalyptic number.

115012143 is a deficient number, since it is larger than the sum of its proper divisors (61635537).

115012143 is an frugal number, since it uses more digits than its factorization.

115012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 115012143 is about 10724.3714501131. The cubic root of 115012143 is about 486.3115286608.

Adding to 115012143 its reverse (341210511), we get a palindrome (456222654).

The spelling of 115012143 in words is "one hundred fifteen million, twelve thousand, one hundred forty-three".