159847243 has 8 divisors (see below), whose sum is σ = 169661520. Its totient is φ = 150078720.

The previous prime is 159847213. The next prime is 159847273. The reversal of 159847243 is 342748951.

It is an interprime number because it is at equal distance from previous prime (159847213) and next prime (159847273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159847243 - 2²¹ = 157750091 is a prime.

It is a super-2 number, since 2×159847243² = 51102282189402098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159847243.

It is not an unprimeable number, because it can be changed into a prime (159847213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (21207690).

Almost surely, 2^159847243 is an apocalyptic number.

159847243 is a deficient number, since it is larger than the sum of its proper divisors (9814277).

159847243 is a wasteful number, since it uses less digits than its factorization.

159847243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22877.

The product of its digits is 241920, while the sum is 43.

The square root of 159847243 is about 12643.0709481518. The cubic root of 159847243 is about 542.7106990188.

It can be divided in two parts, 1598 and 47243, that added together give a square (48841 = 221²).

The spelling of 159847243 in words is "one hundred fifty-nine million, eight hundred forty-seven thousand, two hundred forty-three".