159242663 has 2 divisors, whose sum is σ = 159242664. Its totient is φ = 159242662.

The previous prime is 159242653. The next prime is 159242747. The reversal of 159242663 is 366242951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159242663 - 2⁶ = 159242599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159242653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79621331 + 79621332.

It is an arithmetic number, because the mean of its divisors is an integer number (79621332).

Almost surely, 2^159242663 is an apocalyptic number.

159242663 is a deficient number, since it is larger than the sum of its proper divisors (1).

159242663 is an equidigital number, since it uses as much as digits as its factorization.

159242663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 159242663 is about 12619.1387582513. The cubic root of 159242663 is about 542.0256145899.

The spelling of 159242663 in words is "one hundred fifty-nine million, two hundred forty-two thousand, six hundred sixty-three".