755645159 has 2 divisors, whose sum is σ = 755645160. Its totient is φ = 755645158.

The previous prime is 755645041. The next prime is 755645161. The reversal of 755645159 is 951546557.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755645159 is a prime.

Together with 755645161, 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 (755645659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377822579 + 377822580.

It is an arithmetic number, because the mean of its divisors is an integer number (377822580).

Almost surely, 2^755645159 is an apocalyptic number.

755645159 is a deficient number, since it is larger than the sum of its proper divisors (1).

755645159 is an equidigital number, since it uses as much as digits as its factorization.

755645159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 945000, while the sum is 47.

The square root of 755645159 is about 27489.0006911856. Note that the first 3 decimals coincide. The cubic root of 755645159 is about 910.8341419737.

The spelling of 755645159 in words is "seven hundred fifty-five million, six hundred forty-five thousand, one hundred fifty-nine".