115445142203443 has 16 divisors (see below), whose sum is σ = 125514942577920. Its totient is φ = 105545693058336.

The previous prime is 115445142203437. The next prime is 115445142203459. The reversal of 115445142203443 is 344302241544511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115445142203443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115445142203443.

It is not an unprimeable number, because it can be changed into a prime (115445142273443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733613 + ... + 15439006.

It is an arithmetic number, because the mean of its divisors is an integer number (7844683911120).

Almost surely, 2^{115445142203443} is an apocalyptic number.

115445142203443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115445142203443 is a deficient number, since it is larger than the sum of its proper divisors (10069800374477).

115445142203443 is a wasteful number, since it uses less digits than its factorization.

115445142203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177306.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 115445142203443 its reverse (344302241544511), we get a palindrome (459747383747954).

The spelling of 115445142203443 in words is "one hundred fifteen trillion, four hundred forty-five billion, one hundred forty-two million, two hundred three thousand, four hundred forty-three".