112845 has 8 divisors (see below), whose sum is σ = 180576. Its totient is φ = 60176.

The previous prime is 112843. The next prime is 112859. The reversal of 112845 is 548211.

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

It is a cyclic number.

It is not a de Polignac number, because 112845 - 2¹ = 112843 is a prime.

112845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3747 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (22572).

2¹¹²⁸⁴⁵ is an apocalyptic number.

112845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112845 is a deficient number, since it is larger than the sum of its proper divisors (67731).

112845 is an equidigital number, since it uses as much as digits as its factorization.

112845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531.

The product of its digits is 320, while the sum is 21.

The square root of 112845 is about 335.9240985699. The cubic root of 112845 is about 48.3237661074.

The spelling of 112845 in words is "one hundred twelve thousand, eight hundred forty-five".