115840183 has 4 divisors (see below), whose sum is σ = 115863328. Its totient is φ = 115817040.

The previous prime is 115840147. The next prime is 115840189. The reversal of 115840183 is 381048511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115840183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115840189) 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, 591 + ... + 15232.

It is an arithmetic number, because the mean of its divisors is an integer number (28965832).

Almost surely, 2^115840183 is an apocalyptic number.

115840183 is a deficient number, since it is larger than the sum of its proper divisors (23145).

115840183 is an equidigital number, since it uses as much as digits as its factorization.

115840183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23144.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 115840183 is about 10762.9077390824. The cubic root of 115840183 is about 487.4758197956.

Adding to 115840183 its reverse (381048511), we get a palindrome (496888694).

The spelling of 115840183 in words is "one hundred fifteen million, eight hundred forty thousand, one hundred eighty-three".