142442333122 has 4 divisors (see below), whose sum is σ = 213663499686. Its totient is φ = 71221166560.

The previous prime is 142442333041. The next prime is 142442333153. The reversal of 142442333122 is 221333244241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137076917121 + 5365416001 = 370239^2 + 73249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35610583279 + ... + 35610583282.

Almost surely, 2^142442333122 is an apocalyptic number.

142442333122 is a deficient number, since it is larger than the sum of its proper divisors (71221166564).

142442333122 is an equidigital number, since it uses as much as digits as its factorization.

142442333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71221166563.

The product of its digits is 27648, while the sum is 31.

Adding to 142442333122 its reverse (221333244241), we get a palindrome (363775577363).

The spelling of 142442333122 in words is "one hundred forty-two billion, four hundred forty-two million, three hundred thirty-three thousand, one hundred twenty-two".