800145659 has 2 divisors, whose sum is σ = 800145660. Its totient is φ = 800145658.

The previous prime is 800145653. The next prime is 800145673. The reversal of 800145659 is 956541008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800145659 - 2⁸ = 800145403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (800145653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400072829 + 400072830.

It is an arithmetic number, because the mean of its divisors is an integer number (400072830).

Almost surely, 2^800145659 is an apocalyptic number.

800145659 is a deficient number, since it is larger than the sum of its proper divisors (1).

800145659 is an equidigital number, since it uses as much as digits as its factorization.

800145659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 800145659 is about 28286.8460419326. The cubic root of 800145659 is about 928.3741040692.

The spelling of 800145659 in words is "eight hundred million, one hundred forty-five thousand, six hundred fifty-nine".