159549241 has 4 divisors (see below), whose sum is σ = 160713972. Its totient is φ = 158384512.

The previous prime is 159549227. The next prime is 159549253. The reversal of 159549241 is 142945951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90725625 + 68823616 = 9525^2 + 8296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159549241 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159549194 and 159549203.

It is not an unprimeable number, because it can be changed into a prime (159559241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582160 + ... + 582433.

It is an arithmetic number, because the mean of its divisors is an integer number (40178493).

Almost surely, 2^159549241 is an apocalyptic number.

It is an amenable number.

159549241 is a deficient number, since it is larger than the sum of its proper divisors (1164731).

159549241 is a wasteful number, since it uses less digits than its factorization.

159549241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164730.

The product of its digits is 64800, while the sum is 40.

The square root of 159549241 is about 12631.2802597361. The cubic root of 159549241 is about 542.3732320759.

The spelling of 159549241 in words is "one hundred fifty-nine million, five hundred forty-nine thousand, two hundred forty-one".