159483521 has 4 divisors (see below), whose sum is σ = 159518292. Its totient is φ = 159448752.

The previous prime is 159483469. The next prime is 159483619. The reversal of 159483521 is 125384951.

It is a happy number.

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 110986225 + 48497296 = 10535^2 + 6964^2 .

It is a cyclic number.

It is not a de Polignac number, because 159483521 - 2¹⁴ = 159467137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159480521) 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, 9230 + ... + 20103.

It is an arithmetic number, because the mean of its divisors is an integer number (39879573).

Almost surely, 2^159483521 is an apocalyptic number.

It is an amenable number.

159483521 is a deficient number, since it is larger than the sum of its proper divisors (34771).

159483521 is an equidigital number, since it uses as much as digits as its factorization.

159483521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34770.

The product of its digits is 43200, while the sum is 38.

The square root of 159483521 is about 12628.6785136055. The cubic root of 159483521 is about 542.2987521142.

The spelling of 159483521 in words is "one hundred fifty-nine million, four hundred eighty-three thousand, five hundred twenty-one".