112991444 has 24 divisors (see below), whose sum is σ = 205128000. Its totient is φ = 54419904.

The previous prime is 112991419. The next prime is 112991467. The reversal of 112991444 is 444199211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8057 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (8547000).

Almost surely, 2^112991444 is an apocalyptic number.

It is an amenable number.

112991444 is a deficient number, since it is larger than the sum of its proper divisors (92136556).

112991444 is a wasteful number, since it uses less digits than its factorization.

112991444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119 (or 9117 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 112991444 is about 10629.7433647290. The cubic root of 112991444 is about 483.4466104162.

The spelling of 112991444 in words is "one hundred twelve million, nine hundred ninety-one thousand, four hundred forty-four".