142123155525322 has 16 divisors (see below), whose sum is σ = 214634971000800. Its totient is φ = 70578251715088.

The previous prime is 142123155525319. The next prime is 142123155525361. The reversal of 142123155525322 is 223525551321241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18339208 + ... + 24911299.

It is an arithmetic number, because the mean of its divisors is an integer number (13414685687550).

Almost surely, 2^{142123155525322} is an apocalyptic number.

142123155525322 is a deficient number, since it is larger than the sum of its proper divisors (72511815475478).

142123155525322 is a wasteful number, since it uses less digits than its factorization.

142123155525322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43261685.

The product of its digits is 720000, while the sum is 43.

The spelling of 142123155525322 in words is "one hundred forty-two trillion, one hundred twenty-three billion, one hundred fifty-five million, five hundred twenty-five thousand, three hundred twenty-two".