115143293 has 16 divisors (see below), whose sum is σ = 121642752. Its totient is φ = 108864000.

The previous prime is 115143277. The next prime is 115143317. The reversal of 115143293 is 392341511.

It is a cyclic number.

It is not a de Polignac number, because 115143293 - 2⁴ = 115143277 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115143233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424748 + ... + 425018.

It is an arithmetic number, because the mean of its divisors is an integer number (7602672).

Almost surely, 2^115143293 is an apocalyptic number.

It is an amenable number.

115143293 is a deficient number, since it is larger than the sum of its proper divisors (6499459).

115143293 is a wasteful number, since it uses less digits than its factorization.

115143293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 3240, while the sum is 29.

The square root of 115143293 is about 10730.4842854365. The cubic root of 115143293 is about 486.4963077855.

It can be divided in two parts, 1151 and 43293, that added together give a palindrome (44444).

The spelling of 115143293 in words is "one hundred fifteen million, one hundred forty-three thousand, two hundred ninety-three".