113412144 has 20 divisors (see below), whose sum is σ = 292981496. Its totient is φ = 37804032.

The previous prime is 113412137. The next prime is 113412157. The reversal of 113412144 is 441214311.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 113412144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181329 + ... + 1181424.

Almost surely, 2^113412144 is an apocalyptic number.

It is an amenable number.

113412144 is an abundant number, since it is smaller than the sum of its proper divisors (179569352).

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

113412144 is a wasteful number, since it uses less digits than its factorization.

113412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362764 (or 2362758 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 113412144 is about 10649.5137917184. The cubic root of 113412144 is about 484.0458713895.

Adding to 113412144 its reverse (441214311), we get a palindrome (554626455).

The spelling of 113412144 in words is "one hundred thirteen million, four hundred twelve thousand, one hundred forty-four".