113305144 has 8 divisors (see below), whose sum is σ = 212447160. Its totient is φ = 56652568.

The previous prime is 113305123. The next prime is 113305147. The reversal of 113305144 is 441503311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113305147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7081564 + ... + 7081579.

It is an arithmetic number, because the mean of its divisors is an integer number (26555895).

Almost surely, 2^113305144 is an apocalyptic number.

It is an amenable number.

113305144 is a deficient number, since it is larger than the sum of its proper divisors (99142016).

113305144 is a wasteful number, since it uses less digits than its factorization.

113305144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163149 (or 14163145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 113305144 is about 10644.4889027139. The cubic root of 113305144 is about 483.8935972644.

Adding to 113305144 its reverse (441503311), we get a palindrome (554808455).

The spelling of 113305144 in words is "one hundred thirteen million, three hundred five thousand, one hundred forty-four".