159845149237 has 2 divisors, whose sum is σ = 159845149238. Its totient is φ = 159845149236.

The previous prime is 159845149199. The next prime is 159845149273. The reversal of 159845149237 is 732941548951.

159845149237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (159845149273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158626161841 + 1218987396 = 398279^2 + 34914^2 .

It is a cyclic number.

It is not a de Polignac number, because 159845149237 - 2⁷ = 159845149109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159845119237) 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, 79922574618 + 79922574619.

It is an arithmetic number, because the mean of its divisors is an integer number (79922574619).

Almost surely, 2^159845149237 is an apocalyptic number.

It is an amenable number.

159845149237 is a deficient number, since it is larger than the sum of its proper divisors (1).

159845149237 is an equidigital number, since it uses as much as digits as its factorization.

159845149237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 58.

The spelling of 159845149237 in words is "one hundred fifty-nine billion, eight hundred forty-five million, one hundred forty-nine thousand, two hundred thirty-seven".