159033231 has 24 divisors (see below), whose sum is σ = 267490080. Its totient is φ = 89159616.

The previous prime is 159033227. The next prime is 159033233. The reversal of 159033231 is 132330951.

It is a happy number.

It is not a de Polignac number, because 159033231 - 2² = 159033227 is a prime.

It is a super-2 number, since 2×159033231² = 50583137124598722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159033195 and 159033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159033233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20476 + ... + 27153.

It is an arithmetic number, because the mean of its divisors is an integer number (11145420).

Almost surely, 2^159033231 is an apocalyptic number.

159033231 is a deficient number, since it is larger than the sum of its proper divisors (108456849).

159033231 is a wasteful number, since it uses less digits than its factorization.

159033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47695 (or 47692 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 159033231 is about 12610.8378389384. The cubic root of 159033231 is about 541.7878907959.

The spelling of 159033231 in words is "one hundred fifty-nine million, thirty-three thousand, two hundred thirty-one".