142422041221442 has 8 divisors (see below), whose sum is σ = 213641587790796. Its totient is φ = 71208178624512.

The previous prime is 142422041221399. The next prime is 142422041221513. The reversal of 142422041221442 is 244122140224241.

It can be written as a sum of positive squares in 2 ways, for example, as 142292189819641 + 129851401801 = 11928629^2 + 360349^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420930463 + ... + 1421030690.

Almost surely, 2^{142422041221442} is an apocalyptic number.

142422041221442 is a deficient number, since it is larger than the sum of its proper divisors (71219546569354).

142422041221442 is a wasteful number, since it uses less digits than its factorization.

142422041221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841986212.

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 142422041221442 its reverse (244122140224241), we get a palindrome (386544181445683).

The spelling of 142422041221442 in words is "one hundred forty-two trillion, four hundred twenty-two billion, forty-one million, two hundred twenty-one thousand, four hundred forty-two".