115042443 has 4 divisors (see below), whose sum is σ = 153389928. Its totient is φ = 76694960.

The previous prime is 115042439. The next prime is 115042463. The reversal of 115042443 is 344240511.

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 115042443 - 2² = 115042439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115042463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19173738 + ... + 19173743.

It is an arithmetic number, because the mean of its divisors is an integer number (38347482).

Almost surely, 2^115042443 is an apocalyptic number.

115042443 is a deficient number, since it is larger than the sum of its proper divisors (38347485).

115042443 is an equidigital number, since it uses as much as digits as its factorization.

115042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38347484.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 115042443 is about 10725.7840272868. The cubic root of 115042443 is about 486.3542312402.

Adding to 115042443 its reverse (344240511), we get a palindrome (459282954).

The spelling of 115042443 in words is "one hundred fifteen million, forty-two thousand, four hundred forty-three".