115220443 has 8 divisors (see below), whose sum is σ = 124207328. Its totient is φ = 106251264.

The previous prime is 115220429. The next prime is 115220447. The reversal of 115220443 is 344022511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115220443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115220447) 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 in 7 ways as a sum of consecutive naturals, for example, 11146 + ... + 18832.

It is an arithmetic number, because the mean of its divisors is an integer number (15525916).

Almost surely, 2^115220443 is an apocalyptic number.

115220443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115220443 is a deficient number, since it is larger than the sum of its proper divisors (8986885).

115220443 is a wasteful number, since it uses less digits than its factorization.

115220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 115220443 is about 10734.0785817880. The cubic root of 115220443 is about 486.6049399934.

Adding to 115220443 its reverse (344022511), we get a palindrome (459242954).

The spelling of 115220443 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred forty-three".