159026969 has 2 divisors, whose sum is σ = 159026970. Its totient is φ = 159026968.

The previous prime is 159026957. The next prime is 159027019. The reversal of 159026969 is 969620951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144889369 + 14137600 = 12037^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 159026969 - 2¹² = 159022873 is a prime.

It is a super-2 number, since 2×159026969² = 50579153738653922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159026929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79513484 + 79513485.

It is an arithmetic number, because the mean of its divisors is an integer number (79513485).

Almost surely, 2^159026969 is an apocalyptic number.

It is an amenable number.

159026969 is a deficient number, since it is larger than the sum of its proper divisors (1).

159026969 is an equidigital number, since it uses as much as digits as its factorization.

159026969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 159026969 is about 12610.5895579866. The cubic root of 159026969 is about 541.7807796609.

The spelling of 159026969 in words is "one hundred fifty-nine million, twenty-six thousand, nine hundred sixty-nine".