113510144 has 72 divisors (see below), whose sum is σ = 249670512. Its totient is φ = 51077120.

The previous prime is 113510141. The next prime is 113510149. The reversal of 113510144 is 441015311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113510141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487052 + ... + 487284.

It is an arithmetic number, because the mean of its divisors is an integer number (3467646).

Almost surely, 2^113510144 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 113510144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124835256).

113510144 is an abundant number, since it is smaller than the sum of its proper divisors (136160368).

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

113510144 is a wasteful number, since it uses less digits than its factorization.

113510144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 113510144 is about 10654.1139472037. The cubic root of 113510144 is about 484.1852534019.

Adding to 113510144 its reverse (441015311), we get a palindrome (554525455).

The spelling of 113510144 in words is "one hundred thirteen million, five hundred ten thousand, one hundred forty-four".