112644157 has 4 divisors (see below), whose sum is σ = 114553440. Its totient is φ = 110734876.

The previous prime is 112644151. The next prime is 112644167. The reversal of 112644157 is 751446211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112644157 - 2⁷ = 112644029 is a prime.

It is a super-2 number, since 2×112644157² = 25377412212481298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112644151) 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, 954553 + ... + 954670.

It is an arithmetic number, because the mean of its divisors is an integer number (28638360).

Almost surely, 2^112644157 is an apocalyptic number.

It is an amenable number.

112644157 is a deficient number, since it is larger than the sum of its proper divisors (1909283).

112644157 is an equidigital number, since it uses as much as digits as its factorization.

112644157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909282.

The product of its digits is 6720, while the sum is 31.

The square root of 112644157 is about 10613.3951683710. The cubic root of 112644157 is about 482.9507999271.

The spelling of 112644157 in words is "one hundred twelve million, six hundred forty-four thousand, one hundred fifty-seven".