442000159 has 2 divisors, whose sum is σ = 442000160. Its totient is φ = 442000158.

The previous prime is 442000127. The next prime is 442000183. The reversal of 442000159 is 951000244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442000159 - 2⁵ = 442000127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442000199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221000079 + 221000080.

It is an arithmetic number, because the mean of its divisors is an integer number (221000080).

Almost surely, 2^442000159 is an apocalyptic number.

442000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

442000159 is an equidigital number, since it uses as much as digits as its factorization.

442000159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 442000159 is about 21023.7998230577. The cubic root of 442000159 is about 761.7412516493.

The spelling of 442000159 in words is "four hundred forty-two million, one hundred fifty-nine", and thus it is an aban number.