115040143 has 2 divisors, whose sum is σ = 115040144. Its totient is φ = 115040142.

The previous prime is 115040131. The next prime is 115040171. The reversal of 115040143 is 341040511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115040143 - 2¹⁷ = 114909071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115040143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115040113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57520071 + 57520072.

It is an arithmetic number, because the mean of its divisors is an integer number (57520072).

Almost surely, 2^115040143 is an apocalyptic number.

115040143 is a deficient number, since it is larger than the sum of its proper divisors (1).

115040143 is an equidigital number, since it uses as much as digits as its factorization.

115040143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115040143 is about 10725.6768084816. The cubic root of 115040143 is about 486.3509900533.

Adding to 115040143 its reverse (341040511), we get a palindrome (456080654).

The spelling of 115040143 in words is "one hundred fifteen million, forty thousand, one hundred forty-three".