159472129 has 4 divisors (see below), whose sum is σ = 159535684. Its totient is φ = 159408576.

The previous prime is 159472099. The next prime is 159472139. The reversal of 159472129 is 921274951.

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 96983104 + 62489025 = 9848^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 159472129 - 2²¹ = 157374977 is a prime.

It is a super-3 number, since 3×159472129³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159472091 and 159472100.

It is not an unprimeable number, because it can be changed into a prime (159472139) 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, 27852 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (39883921).

Almost surely, 2^159472129 is an apocalyptic number.

It is an amenable number.

159472129 is a deficient number, since it is larger than the sum of its proper divisors (63555).

159472129 is an equidigital number, since it uses as much as digits as its factorization.

159472129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63554.

The product of its digits is 45360, while the sum is 40.

The square root of 159472129 is about 12628.2274686513. The cubic root of 159472129 is about 542.2858395691.

The spelling of 159472129 in words is "one hundred fifty-nine million, four hundred seventy-two thousand, one hundred twenty-nine".