142431112 has 32 divisors (see below), whose sum is σ = 279590400. Its totient is φ = 67939200.

The previous prime is 142431101. The next prime is 142431131. The reversal of 142431112 is 211134241.

It is a self number, because there is not a number n which added to its sum of digits gives 142431112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564 + ... + 21652.

It is an arithmetic number, because the mean of its divisors is an integer number (8737200).

Almost surely, 2^142431112 is an apocalyptic number.

It is an amenable number.

142431112 is a deficient number, since it is larger than the sum of its proper divisors (137159288).

142431112 is a wasteful number, since it uses less digits than its factorization.

142431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197 (or 8193 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 142431112 is about 11934.4506367072. The cubic root of 142431112 is about 522.2377820892.

Adding to 142431112 its reverse (211134241), we get a palindrome (353565353).

The spelling of 142431112 in words is "one hundred forty-two million, four hundred thirty-one thousand, one hundred twelve".