142422246141656 has 64 divisors (see below), whose sum is σ = 293825669659200. Its totient is φ = 64313445201408.

The previous prime is 142422246141641. The next prime is 142422246141683. The reversal of 142422246141656 is 656141642224241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34008071 + ... + 37965686.

It is an arithmetic number, because the mean of its divisors is an integer number (4591026088425).

Almost surely, 2^{142422246141656} is an apocalyptic number.

It is an amenable number.

142422246141656 is an abundant number, since it is smaller than the sum of its proper divisors (151403423517544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142422246141656 is a wasteful number, since it uses less digits than its factorization.

142422246141656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71974188 (or 71974184 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

Adding to 142422246141656 its reverse (656141642224241), we get a palindrome (798563888365897).

The spelling of 142422246141656 in words is "one hundred forty-two trillion, four hundred twenty-two billion, two hundred forty-six million, one hundred forty-one thousand, six hundred fifty-six".