142322141223242 has 16 divisors (see below), whose sum is σ = 213896067934272. Its totient is φ = 71023457849760.

The previous prime is 142322141223169. The next prime is 142322141223257. The reversal of 142322141223242 is 242322141223241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47248142 + ... + 50170022.

It is an arithmetic number, because the mean of its divisors is an integer number (13368504245892).

Almost surely, 2^{142322141223242} is an apocalyptic number.

142322141223242 is a deficient number, since it is larger than the sum of its proper divisors (71573926711030).

142322141223242 is a wasteful number, since it uses less digits than its factorization.

142322141223242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968973.

The product of its digits is 73728, while the sum is 35.

Adding to 142322141223242 its reverse (242322141223241), we get a palindrome (384644282446483).

Subtracting 142322141223242 from its reverse (242322141223241), we obtain a palindrome (99999999999999).

The spelling of 142322141223242 in words is "one hundred forty-two trillion, three hundred twenty-two billion, one hundred forty-one million, two hundred twenty-three thousand, two hundred forty-two".