115103143 has 2 divisors, whose sum is σ = 115103144. Its totient is φ = 115103142.

The previous prime is 115103129. The next prime is 115103161. The reversal of 115103143 is 341301511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115103143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115103143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115103123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57551571 + 57551572.

It is an arithmetic number, because the mean of its divisors is an integer number (57551572).

Almost surely, 2^115103143 is an apocalyptic number.

115103143 is a deficient number, since it is larger than the sum of its proper divisors (1).

115103143 is an equidigital number, since it uses as much as digits as its factorization.

115103143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 115103143 is about 10728.6132841109. The cubic root of 115103143 is about 486.4397547809.

Adding to 115103143 its reverse (341301511), we get a palindrome (456404654).

The spelling of 115103143 in words is "one hundred fifteen million, one hundred three thousand, one hundred forty-three".