159144437 has 8 divisors (see below), whose sum is σ = 172048800. Its totient is φ = 146692944.

The previous prime is 159144379. The next prime is 159144443. The reversal of 159144437 is 734441951.

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

It is a cyclic number.

It is not a de Polignac number, because 159144437 - 2¹² = 159140341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159144437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159144457) 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 7 ways as a sum of consecutive naturals, for example, 112487 + ... + 113892.

It is an arithmetic number, because the mean of its divisors is an integer number (21506100).

Almost surely, 2^159144437 is an apocalyptic number.

It is an amenable number.

159144437 is a deficient number, since it is larger than the sum of its proper divisors (12904363).

159144437 is a wasteful number, since it uses less digits than its factorization.

159144437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226435.

The product of its digits is 60480, while the sum is 38.

The square root of 159144437 is about 12615.2462124209. The cubic root of 159144437 is about 541.9141453858.

The spelling of 159144437 in words is "one hundred fifty-nine million, one hundred forty-four thousand, four hundred thirty-seven".