115540459 has 2 divisors, whose sum is σ = 115540460. Its totient is φ = 115540458.

The previous prime is 115540427. The next prime is 115540471. The reversal of 115540459 is 954045511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115540459 - 2⁵ = 115540427 is a prime.

It is not a weakly prime, because it can be changed into another prime (115540489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57770229 + 57770230.

It is an arithmetic number, because the mean of its divisors is an integer number (57770230).

Almost surely, 2^115540459 is an apocalyptic number.

115540459 is a deficient number, since it is larger than the sum of its proper divisors (1).

115540459 is an equidigital number, since it uses as much as digits as its factorization.

115540459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 115540459 is about 10748.9747883228. The cubic root of 115540459 is about 487.0550262697.

It can be divided in two parts, 1155 and 40459, that added together give a palindrome (41614).

The spelling of 115540459 in words is "one hundred fifteen million, five hundred forty thousand, four hundred fifty-nine".