159084869 has 2 divisors, whose sum is σ = 159084870. Its totient is φ = 159084868.

The previous prime is 159084851. The next prime is 159084883. The reversal of 159084869 is 968480951.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148108900 + 10975969 = 12170^2 + 3313^2 .

It is a cyclic number.

It is not a de Polignac number, because 159084869 - 2²⁴ = 142307653 is a prime.

It is a super-2 number, since 2×159084869² = 50615991089494322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159084769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79542434 + 79542435.

It is an arithmetic number, because the mean of its divisors is an integer number (79542435).

Almost surely, 2^159084869 is an apocalyptic number.

It is an amenable number.

159084869 is a deficient number, since it is larger than the sum of its proper divisors (1).

159084869 is an equidigital number, since it uses as much as digits as its factorization.

159084869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 159084869 is about 12612.8850387213. The cubic root of 159084869 is about 541.8465238574.

The spelling of 159084869 in words is "one hundred fifty-nine million, eighty-four thousand, eight hundred sixty-nine".