115744543 has 4 divisors (see below), whose sum is σ = 115898200. Its totient is φ = 115590888.

The previous prime is 115744477. The next prime is 115744591. The reversal of 115744543 is 345447511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115744543 - 2¹⁷ = 115613471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115744499 and 115744508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115745543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75693 + ... + 77206.

It is an arithmetic number, because the mean of its divisors is an integer number (28974550).

Almost surely, 2^115744543 is an apocalyptic number.

115744543 is a deficient number, since it is larger than the sum of its proper divisors (153657).

115744543 is an equidigital number, since it uses as much as digits as its factorization.

115744543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153656.

The product of its digits is 33600, while the sum is 34.

The square root of 115744543 is about 10758.4637843885. The cubic root of 115744543 is about 487.3416262230.

The spelling of 115744543 in words is "one hundred fifteen million, seven hundred forty-four thousand, five hundred forty-three".