115457143 has 4 divisors (see below), whose sum is σ = 115539480. Its totient is φ = 115374808.

The previous prime is 115457137. The next prime is 115457179. The reversal of 115457143 is 341754511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115457143 - 2¹³ = 115448951 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 (115451143) 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 3 ways as a sum of consecutive naturals, for example, 39028 + ... + 41881.

It is an arithmetic number, because the mean of its divisors is an integer number (28884870).

Almost surely, 2^115457143 is an apocalyptic number.

115457143 is a deficient number, since it is larger than the sum of its proper divisors (82337).

115457143 is an equidigital number, since it uses as much as digits as its factorization.

115457143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82336.

The product of its digits is 8400, while the sum is 31.

The square root of 115457143 is about 10745.0985570166. The cubic root of 115457143 is about 486.9379266414.

It can be divided in two parts, 115457 and 143, that added together give a square (115600 = 340²).

The spelling of 115457143 in words is "one hundred fifteen million, four hundred fifty-seven thousand, one hundred forty-three".