112644643 has 4 divisors (see below), whose sum is σ = 113228488. Its totient is φ = 112060800.

The previous prime is 112644617. The next prime is 112644647. The reversal of 112644643 is 346446211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112644643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112644647) 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, 291633 + ... + 292018.

It is an arithmetic number, because the mean of its divisors is an integer number (28307122).

Almost surely, 2^112644643 is an apocalyptic number.

112644643 is a deficient number, since it is larger than the sum of its proper divisors (583845).

112644643 is an equidigital number, since it uses as much as digits as its factorization.

112644643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583844.

The product of its digits is 13824, while the sum is 31.

The square root of 112644643 is about 10613.4180639415. The cubic root of 112644643 is about 482.9514944853.

The spelling of 112644643 in words is "one hundred twelve million, six hundred forty-four thousand, six hundred forty-three".