115845 has 8 divisors (see below), whose sum is σ = 185376. Its totient is φ = 61776.

The previous prime is 115837. The next prime is 115849. The reversal of 115845 is 548511.

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

It is not a de Polignac number, because 115845 - 2³ = 115837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (23172).

2¹¹⁵⁸⁴⁵ is an apocalyptic number.

115845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115845 is a deficient number, since it is larger than the sum of its proper divisors (69531).

115845 is an equidigital number, since it uses as much as digits as its factorization.

115845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731.

The product of its digits is 800, while the sum is 24.

The square root of 115845 is about 340.3601034199. The cubic root of 115845 is about 48.7482576629.

The spelling of 115845 in words is "one hundred fifteen thousand, eight hundred forty-five".