159838641 has 12 divisors (see below), whose sum is σ = 244459332. Its totient is φ = 100290816.

The previous prime is 159838639. The next prime is 159838643. The reversal of 159838641 is 146838951.

159838641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (159838639) and next prime (159838643).

It can be written as a sum of positive squares in 2 ways, for example, as 45968400 + 113870241 = 6780^2 + 10671^2 .

It is not a de Polignac number, because 159838641 - 2¹ = 159838639 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (159838643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522196 + ... + 522501.

It is an arithmetic number, because the mean of its divisors is an integer number (20371611).

Almost surely, 2^159838641 is an apocalyptic number.

It is an amenable number.

159838641 is a deficient number, since it is larger than the sum of its proper divisors (84620691).

159838641 is a wasteful number, since it uses less digits than its factorization.

159838641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044720 (or 1044717 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 159838641 is about 12642.7307572375. The cubic root of 159838641 is about 542.7009637217.

The spelling of 159838641 in words is "one hundred fifty-nine million, eight hundred thirty-eight thousand, six hundred forty-one".