320142253222142 has 32 divisors (see below), whose sum is σ = 518543973763200. Its totient is φ = 147360544960608.

The previous prime is 320142253222133. The next prime is 320142253222163. The reversal of 320142253222142 is 241222352241023.

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, 193685153 + ... + 195331059.

It is an arithmetic number, because the mean of its divisors is an integer number (16204499180100).

Almost surely, 2^{320142253222142} is an apocalyptic number.

320142253222142 is a deficient number, since it is larger than the sum of its proper divisors (198401720541058).

320142253222142 is a wasteful number, since it uses less digits than its factorization.

320142253222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666040.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 320142253222142 in words is "three hundred twenty trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".