159042142222 has 4 divisors (see below), whose sum is σ = 238563213336. Its totient is φ = 79521071110.

The previous prime is 159042142187. The next prime is 159042142241. The reversal of 159042142222 is 222241240951.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39760535554 + ... + 39760535557.

It is an arithmetic number, because the mean of its divisors is an integer number (59640803334).

Almost surely, 2^159042142222 is an apocalyptic number.

159042142222 is a deficient number, since it is larger than the sum of its proper divisors (79521071114).

159042142222 is an equidigital number, since it uses as much as digits as its factorization.

159042142222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79521071113.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 159042142222 in words is "one hundred fifty-nine billion, forty-two million, one hundred forty-two thousand, two hundred twenty-two".