112512144 has 80 divisors (see below), whose sum is σ = 303980544. Its totient is φ = 35817600.

The previous prime is 112512139. The next prime is 112512151. The reversal of 112512144 is 441215211.

It is a self number, because there is not a number n which added to its sum of digits gives 112512144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123049 + ... + 123959.

Almost surely, 2^112512144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112512144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151990272).

112512144 is an abundant number, since it is smaller than the sum of its proper divisors (191468400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112512144 is a wasteful number, since it uses less digits than its factorization.

112512144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 112512144 is about 10607.1741759999. The cubic root of 112512144 is about 482.7620619046.

Adding to 112512144 its reverse (441215211), we get a palindrome (553727355).

The spelling of 112512144 in words is "one hundred twelve million, five hundred twelve thousand, one hundred forty-four".