115844543 has 2 divisors, whose sum is σ = 115844544. Its totient is φ = 115844542.

The previous prime is 115844507. The next prime is 115844563. The reversal of 115844543 is 345448511.

It is a strong prime.

It is an emirp because it is prime and its reverse (345448511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115844543 - 2¹⁴ = 115828159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115844563) 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, 57922271 + 57922272.

It is an arithmetic number, because the mean of its divisors is an integer number (57922272).

Almost surely, 2^115844543 is an apocalyptic number.

115844543 is a deficient number, since it is larger than the sum of its proper divisors (1).

115844543 is an equidigital number, since it uses as much as digits as its factorization.

115844543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 35.

The square root of 115844543 is about 10763.1102846714. The cubic root of 115844543 is about 487.4819356006.

The spelling of 115844543 in words is "one hundred fifteen million, eight hundred forty-four thousand, five hundred forty-three".