159585449 has 2 divisors, whose sum is σ = 159585450. Its totient is φ = 159585448.

The previous prime is 159585421. The next prime is 159585457. The reversal of 159585449 is 944585951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 35485849 = 11140^2 + 5957^2 .

It is a cyclic number.

It is not a de Polignac number, because 159585449 - 2¹² = 159581353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159585397 and 159585406.

It is not a weakly prime, because it can be changed into another prime (159585469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79792724 + 79792725.

It is an arithmetic number, because the mean of its divisors is an integer number (79792725).

Almost surely, 2^159585449 is an apocalyptic number.

It is an amenable number.

159585449 is a deficient number, since it is larger than the sum of its proper divisors (1).

159585449 is an equidigital number, since it uses as much as digits as its factorization.

159585449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 50.

The square root of 159585449 is about 12632.7134456537. The cubic root of 159585449 is about 542.4142575810.

The spelling of 159585449 in words is "one hundred fifty-nine million, five hundred eighty-five thousand, four hundred forty-nine".