113144442 has 16 divisors (see below), whose sum is σ = 228530592. Its totient is φ = 37341200.

The previous prime is 113144431. The next prime is 113144459. The reversal of 113144442 is 244441311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92748 + ... + 93959.

It is an arithmetic number, because the mean of its divisors is an integer number (14283162).

Almost surely, 2^113144442 is an apocalyptic number.

113144442 is an abundant number, since it is smaller than the sum of its proper divisors (115386150).

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

113144442 is a wasteful number, since it uses less digits than its factorization.

113144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186813.

The product of its digits is 1536, while the sum is 24.

The square root of 113144442 is about 10636.9376232072. The cubic root of 113144442 is about 483.6647183892.

Adding to 113144442 its reverse (244441311), we get a palindrome (357585753).

The spelling of 113144442 in words is "one hundred thirteen million, one hundred forty-four thousand, four hundred forty-two".