113144504 has 32 divisors (see below), whose sum is σ = 232848000. Its totient is φ = 51114720.

The previous prime is 113144501. The next prime is 113144509. The reversal of 113144504 is 405441311.

It is a self number, because there is not a number n which added to its sum of digits gives 113144504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113144501) 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, 10847 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (7276500).

Almost surely, 2^113144504 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 113144504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116424000).

113144504 is an abundant number, since it is smaller than the sum of its proper divisors (119703496).

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

113144504 is a wasteful number, since it uses less digits than its factorization.

113144504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 113144504 is about 10636.9405375794. The cubic root of 113144504 is about 483.6648067341.

Adding to 113144504 its reverse (405441311), we get a palindrome (518585815).

The spelling of 113144504 in words is "one hundred thirteen million, one hundred forty-four thousand, five hundred four".