142531112 has 16 divisors (see below), whose sum is σ = 268887840. Its totient is φ = 70827696.

The previous prime is 142531093. The next prime is 142531157. The reversal of 142531112 is 211135241.

142531112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53348 + ... + 55955.

It is an arithmetic number, because the mean of its divisors is an integer number (16805490).

Almost surely, 2^142531112 is an apocalyptic number.

It is an amenable number.

142531112 is a deficient number, since it is larger than the sum of its proper divisors (126356728).

142531112 is a wasteful number, since it uses less digits than its factorization.

142531112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109472 (or 109468 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 142531112 is about 11938.6394534721. The cubic root of 142531112 is about 522.3599734659.

Adding to 142531112 its reverse (211135241), we get a palindrome (353666353).

The spelling of 142531112 in words is "one hundred forty-two million, five hundred thirty-one thousand, one hundred twelve".