159800057 has 2 divisors, whose sum is σ = 159800058. Its totient is φ = 159800056.

The previous prime is 159800029. The next prime is 159800059. The reversal of 159800057 is 750008951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 22886656 = 11701^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 159800057 - 2¹⁰ = 159799033 is a prime.

Together with 159800059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159800059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79900028 + 79900029.

It is an arithmetic number, because the mean of its divisors is an integer number (79900029).

Almost surely, 2^159800057 is an apocalyptic number.

It is an amenable number.

159800057 is a deficient number, since it is larger than the sum of its proper divisors (1).

159800057 is an equidigital number, since it uses as much as digits as its factorization.

159800057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 159800057 is about 12641.2047289805. The cubic root of 159800057 is about 542.6572920560.

The spelling of 159800057 in words is "one hundred fifty-nine million, eight hundred thousand, fifty-seven".