142321324142 has 8 divisors (see below), whose sum is σ = 213487345656. Its totient is φ = 71158875592.

The previous prime is 142321324139. The next prime is 142321324151. The reversal of 142321324142 is 241423123241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 791333 + ... + 954384.

It is an arithmetic number, because the mean of its divisors is an integer number (26685918207).

Almost surely, 2^142321324142 is an apocalyptic number.

142321324142 is a deficient number, since it is larger than the sum of its proper divisors (71166021514).

142321324142 is a wasteful number, since it uses less digits than its factorization.

142321324142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786482.

The product of its digits is 9216, while the sum is 29.

Adding to 142321324142 its reverse (241423123241), we get a palindrome (383744447383).

The spelling of 142321324142 in words is "one hundred forty-two billion, three hundred twenty-one million, three hundred twenty-four thousand, one hundred forty-two".