115189479 has 32 divisors (see below), whose sum is σ = 178041600. Its totient is φ = 73513440.

The previous prime is 115189471. The next prime is 115189483. The reversal of 115189479 is 974981511.

It is a happy number.

It is not a de Polignac number, because 115189479 - 2³ = 115189471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115189471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102012 + ... + 103134.

It is an arithmetic number, because the mean of its divisors is an integer number (5563800).

Almost surely, 2^115189479 is an apocalyptic number.

115189479 is a deficient number, since it is larger than the sum of its proper divisors (62852121).

115189479 is a wasteful number, since it uses less digits than its factorization.

115189479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1286 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 115189479 is about 10732.6361626583. The cubic root of 115189479 is about 486.5613464988.

The spelling of 115189479 in words is "one hundred fifteen million, one hundred eighty-nine thousand, four hundred seventy-nine".