112449665 has 4 divisors (see below), whose sum is σ = 134939604. Its totient is φ = 89959728.

The previous prime is 112449661. The next prime is 112449677. The reversal of 112449665 is 566944211.

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 78074896 + 34374769 = 8836^2 + 5863^2 .

It is a cyclic number.

It is not a de Polignac number, because 112449665 - 2² = 112449661 is a prime.

It is a super-2 number, since 2×112449665² = 25289854317224450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112449661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11244962 + ... + 11244971.

It is an arithmetic number, because the mean of its divisors is an integer number (33734901).

Almost surely, 2^112449665 is an apocalyptic number.

It is an amenable number.

112449665 is a deficient number, since it is larger than the sum of its proper divisors (22489939).

112449665 is an equidigital number, since it uses as much as digits as its factorization.

112449665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22489938.

The product of its digits is 51840, while the sum is 38.

The square root of 112449665 is about 10604.2286376709. The cubic root of 112449665 is about 482.6726846615.

The spelling of 112449665 in words is "one hundred twelve million, four hundred forty-nine thousand, six hundred sixty-five".