159249269 has 2 divisors, whose sum is σ = 159249270. Its totient is φ = 159249268.

The previous prime is 159249257. The next prime is 159249283. The reversal of 159249269 is 962942951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159012100 + 237169 = 12610^2 + 487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159249269 is a prime.

It is a super-2 number, since 2×159249269² = 50720659354068722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159249229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79624634 + 79624635.

It is an arithmetic number, because the mean of its divisors is an integer number (79624635).

Almost surely, 2^159249269 is an apocalyptic number.

It is an amenable number.

159249269 is a deficient number, since it is larger than the sum of its proper divisors (1).

159249269 is an equidigital number, since it uses as much as digits as its factorization.

159249269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 159249269 is about 12619.4005008162. The cubic root of 159249269 is about 542.0331095908.

The spelling of 159249269 in words is "one hundred fifty-nine million, two hundred forty-nine thousand, two hundred sixty-nine".