112645985 has 4 divisors (see below), whose sum is σ = 135175188. Its totient is φ = 90116784.

The previous prime is 112645963. The next prime is 112645987. The reversal of 112645985 is 589546211.

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 65545216 + 47100769 = 8096^2 + 6863^2 .

It is a cyclic number.

It is not a de Polignac number, because 112645985 - 2¹² = 112641889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112645987) 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, 11264594 + ... + 11264603.

It is an arithmetic number, because the mean of its divisors is an integer number (33793797).

Almost surely, 2^112645985 is an apocalyptic number.

It is an amenable number.

112645985 is a deficient number, since it is larger than the sum of its proper divisors (22529203).

112645985 is an equidigital number, since it uses as much as digits as its factorization.

112645985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22529202.

The product of its digits is 86400, while the sum is 41.

The square root of 112645985 is about 10613.4812856103. The cubic root of 112645985 is about 482.9534123700.

The spelling of 112645985 in words is "one hundred twelve million, six hundred forty-five thousand, nine hundred eighty-five".