113021444 has 6 divisors (see below), whose sum is σ = 197787534. Its totient is φ = 56510720.

The previous prime is 113021431. The next prime is 113021459. The reversal of 113021444 is 444120311.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 47087044 = 8120^2 + 6862^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14127677 + ... + 14127684.

It is an arithmetic number, because the mean of its divisors is an integer number (32964589).

Almost surely, 2^113021444 is an apocalyptic number.

It is an amenable number.

113021444 is a deficient number, since it is larger than the sum of its proper divisors (84766090).

113021444 is a wasteful number, since it uses less digits than its factorization.

113021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28255365 (or 28255363 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113021444 is about 10631.1544058018. The cubic root of 113021444 is about 483.4893927556.

Adding to 113021444 its reverse (444120311), we get a palindrome (557141755).

The spelling of 113021444 in words is "one hundred thirteen million, twenty-one thousand, four hundred forty-four".