159530117 has 4 divisors (see below), whose sum is σ = 160106316. Its totient is φ = 158953920.

The previous prime is 159530101. The next prime is 159530171. The reversal of 159530117 is 711035951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711035951 = 449 ⋅1583599.

It can be written as a sum of positive squares in 2 ways, for example, as 74632321 + 84897796 = 8639^2 + 9214^2 .

It is a cyclic number.

It is not a de Polignac number, because 159530117 - 2⁴ = 159530101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159530197) 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 in 3 ways as a sum of consecutive naturals, for example, 287684 + ... + 288237.

It is an arithmetic number, because the mean of its divisors is an integer number (40026579).

Almost surely, 2^159530117 is an apocalyptic number.

It is an amenable number.

159530117 is a deficient number, since it is larger than the sum of its proper divisors (576199).

159530117 is an equidigital number, since it uses as much as digits as its factorization.

159530117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576198.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 159530117 is about 12630.5232274835. The cubic root of 159530117 is about 542.3515611066.

The spelling of 159530117 in words is "one hundred fifty-nine million, five hundred thirty thousand, one hundred seventeen".