113144142 has 16 divisors (see below), whose sum is σ = 229998672. Its totient is φ = 37096320.

The previous prime is 113144093. The next prime is 113144147. The reversal of 113144142 is 241441311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113144147) 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, 154203 + ... + 154934.

It is an arithmetic number, because the mean of its divisors is an integer number (14374917).

Almost surely, 2^113144142 is an apocalyptic number.

113144142 is an abundant number, since it is smaller than the sum of its proper divisors (116854530).

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

113144142 is a wasteful number, since it uses less digits than its factorization.

113144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309203.

The product of its digits is 384, while the sum is 21.

The square root of 113144142 is about 10636.9235213947. The cubic root of 113144142 is about 483.6642909133.

Adding to 113144142 its reverse (241441311), we get a palindrome (354585453).

The spelling of 113144142 in words is "one hundred thirteen million, one hundred forty-four thousand, one hundred forty-two".