1145636159 has 2 divisors, whose sum is σ = 1145636160. Its totient is φ = 1145636158.

The previous prime is 1145636123. The next prime is 1145636161. The reversal of 1145636159 is 9516365411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145636159 - 2²⁴ = 1128858943 is a prime.

Together with 1145636161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145636119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572818079 + 572818080.

It is an arithmetic number, because the mean of its divisors is an integer number (572818080).

Almost surely, 2^1145636159 is an apocalyptic number.

1145636159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145636159 is an equidigital number, since it uses as much as digits as its factorization.

1145636159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 1145636159 is about 33847.2474360915. The cubic root of 1145636159 is about 1046.3626703238.

The spelling of 1145636159 in words is "one billion, one hundred forty-five million, six hundred thirty-six thousand, one hundred fifty-nine".