159807028 has 12 divisors (see below), whose sum is σ = 279761860. Its totient is φ = 79875072.

The previous prime is 159806989. The next prime is 159807029. The reversal of 159807028 is 820708951.

It can be written as a sum of positive squares in 2 ways, for example, as 91049764 + 68757264 = 9542^2 + 8292^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159807029) 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 3 ways as a sum of consecutive naturals, for example, 10228 + ... + 20596.

Almost surely, 2^159807028 is an apocalyptic number.

It is an amenable number.

159807028 is a deficient number, since it is larger than the sum of its proper divisors (119954832).

159807028 is a wasteful number, since it uses less digits than its factorization.

159807028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226 (or 14224 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 159807028 is about 12641.4804512763. The cubic root of 159807028 is about 542.6651827686.

The spelling of 159807028 in words is "one hundred fifty-nine million, eight hundred seven thousand, twenty-eight".