159147617 has 2 divisors, whose sum is σ = 159147618. Its totient is φ = 159147616.

The previous prime is 159147589. The next prime is 159147643. The reversal of 159147617 is 716741951.

159147617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119596096 + 39551521 = 10936^2 + 6289^2 .

It is a cyclic number.

It is not a de Polignac number, because 159147617 - 2⁸ = 159147361 is a prime.

It is not a weakly prime, because it can be changed into another prime (159147697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79573808 + 79573809.

It is an arithmetic number, because the mean of its divisors is an integer number (79573809).

Almost surely, 2^159147617 is an apocalyptic number.

It is an amenable number.

159147617 is a deficient number, since it is larger than the sum of its proper divisors (1).

159147617 is an equidigital number, since it uses as much as digits as its factorization.

159147617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 159147617 is about 12615.3722497594. The cubic root of 159147617 is about 541.9177548439.

The spelling of 159147617 in words is "one hundred fifty-nine million, one hundred forty-seven thousand, six hundred seventeen".