116845 has 4 divisors (see below), whose sum is σ = 140220. Its totient is φ = 93472.

The previous prime is 116833. The next prime is 116849. The reversal of 116845 is 548611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26244 + 90601 = 162^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 116845 - 2¹¹ = 114797 is a prime.

116845 is a lucky number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116849) 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, 11680 + ... + 11689.

It is an arithmetic number, because the mean of its divisors is an integer number (35055).

2¹¹⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

116845 is a deficient number, since it is larger than the sum of its proper divisors (23375).

116845 is an equidigital number, since it uses as much as digits as its factorization.

116845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374.

The product of its digits is 960, while the sum is 25.

The square root of 116845 is about 341.8259791180. The cubic root of 116845 is about 48.8881246054. Note that the first 3 decimals are identical.

It can be divided in two parts, 116 and 845, that added together give a square (961 = 31²).

The spelling of 116845 in words is "one hundred sixteen thousand, eight hundred forty-five".