159422005 has 8 divisors (see below), whose sum is σ = 202559832. Its totient is φ = 120035328.

The previous prime is 159421973. The next prime is 159422023. The reversal of 159422005 is 500224951.

It can be written as a sum of positive squares in 4 ways, for example, as 67223601 + 92198404 = 8199^2 + 9602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159422005 - 2⁵ = 159421973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937692 + ... + 937861.

It is an arithmetic number, because the mean of its divisors is an integer number (25319979).

Almost surely, 2^159422005 is an apocalyptic number.

It is an amenable number.

159422005 is a deficient number, since it is larger than the sum of its proper divisors (43137827).

159422005 is a wasteful number, since it uses less digits than its factorization.

159422005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875575.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 159422005 is about 12626.2427111156. The cubic root of 159422005 is about 542.2290179708.

Adding to 159422005 its reverse (500224951), we get a palindrome (659646956).

The spelling of 159422005 in words is "one hundred fifty-nine million, four hundred twenty-two thousand, five".