142243053243122 has 16 divisors (see below), whose sum is σ = 243293548081752. Its totient is φ = 61788837607680.

The previous prime is 142243053243047. The next prime is 142243053243197. The reversal of 142243053243122 is 221342350342241.

It is an interprime number because it is at equal distance from previous prime (142243053243047) and next prime (142243053243197).

It can be written as a sum of positive squares in 4 ways, for example, as 130071265004641 + 12171788238481 = 11404879^2 + 3488809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160908430829 + ... + 160908431712.

Almost surely, 2^{142243053243122} is an apocalyptic number.

142243053243122 is a deficient number, since it is larger than the sum of its proper divisors (101050494838630).

142243053243122 is a wasteful number, since it uses less digits than its factorization.

142243053243122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321816862573.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 142243053243122 in words is "one hundred forty-two trillion, two hundred forty-three billion, fifty-three million, two hundred forty-three thousand, one hundred twenty-two".