159228263 has 2 divisors, whose sum is σ = 159228264. Its totient is φ = 159228262.

The previous prime is 159228259. The next prime is 159228317. The reversal of 159228263 is 362822951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159228263 - 2² = 159228259 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159228233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79614131 + 79614132.

It is an arithmetic number, because the mean of its divisors is an integer number (79614132).

Almost surely, 2^159228263 is an apocalyptic number.

159228263 is a deficient number, since it is larger than the sum of its proper divisors (1).

159228263 is an equidigital number, since it uses as much as digits as its factorization.

159228263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 159228263 is about 12618.5681834351. The cubic root of 159228263 is about 542.0092759949.

The spelling of 159228263 in words is "one hundred fifty-nine million, two hundred twenty-eight thousand, two hundred sixty-three".