142442313122 has 8 divisors (see below), whose sum is σ = 213692486700. Its totient is φ = 71211484224.

The previous prime is 142442313113. The next prime is 142442313133. The reversal of 142442313122 is 221313244241.

It can be written as a sum of positive squares in 2 ways, for example, as 141896109481 + 546203641 = 376691^2 + 23371^2 .

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

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, 4817747 + ... + 4847222.

Almost surely, 2^142442313122 is an apocalyptic number.

142442313122 is a deficient number, since it is larger than the sum of its proper divisors (71250173578).

142442313122 is an equidigital number, since it uses as much as digits as its factorization.

142442313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672340.

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

Adding to 142442313122 its reverse (221313244241), we get a palindrome (363755557363).

The spelling of 142442313122 in words is "one hundred forty-two billion, four hundred forty-two million, three hundred thirteen thousand, one hundred twenty-two".