115232143 has 12 divisors (see below), whose sum is σ = 125240808. Its totient is φ = 105973920.

The previous prime is 115232141. The next prime is 115232147. The reversal of 115232143 is 341232511.

It is a happy number.

It is not a de Polignac number, because 115232143 - 2¹ = 115232141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115232141) 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 11 ways as a sum of consecutive naturals, for example, 50773 + ... + 52993.

It is an arithmetic number, because the mean of its divisors is an integer number (10436734).

Almost surely, 2^115232143 is an apocalyptic number.

115232143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115232143 is a deficient number, since it is larger than the sum of its proper divisors (10008665).

115232143 is a wasteful number, since it uses less digits than its factorization.

115232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554 (or 2541 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 115232143 is about 10734.6235611688. The cubic root of 115232143 is about 486.6214101178.

Adding to 115232143 its reverse (341232511), we get a palindrome (456464654).

The spelling of 115232143 in words is "one hundred fifteen million, two hundred thirty-two thousand, one hundred forty-three".