113402444 has 36 divisors (see below), whose sum is σ = 212183664. Its totient is φ = 53020416.

The previous prime is 113402437. The next prime is 113402449. The reversal of 113402444 is 444204311.

It is a happy number.

It is a super-2 number, since 2×113402444² = 25720228610346272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113402449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303842 + ... + 304214.

Almost surely, 2^113402444 is an apocalyptic number.

It is an amenable number.

113402444 is a deficient number, since it is larger than the sum of its proper divisors (98781220).

113402444 is a wasteful number, since it uses less digits than its factorization.

113402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 113402444 is about 10649.0583621276. The cubic root of 113402444 is about 484.0320710484.

Adding to 113402444 its reverse (444204311), we get a palindrome (557606755).

The spelling of 113402444 in words is "one hundred thirteen million, four hundred two thousand, four hundred forty-four".