142031535142 has 24 divisors (see below), whose sum is σ = 251893342080. Its totient is φ = 59872775760.

The previous prime is 142031535119. The next prime is 142031535157. The reversal of 142031535142 is 241535130241.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 11873542 + ... + 11885497.

It is an arithmetic number, because the mean of its divisors is an integer number (10495555920).

Almost surely, 2^142031535142 is an apocalyptic number.

142031535142 is a deficient number, since it is larger than the sum of its proper divisors (109861806938).

142031535142 is a wasteful number, since it uses less digits than its factorization.

142031535142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23759116 (or 23759109 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 142031535142 its reverse (241535130241), we get a palindrome (383566665383).

The spelling of 142031535142 in words is "one hundred forty-two billion, thirty-one million, five hundred thirty-five thousand, one hundred forty-two".