159808 has 28 divisors (see below), whose sum is σ = 347472. Its totient is φ = 72320.
The previous prime is 159799. The next prime is 159811. The reversal of 159808 is 808951.
It is a self number, because there is not a number n which added to its sum of digits gives 159808.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591 + ... + 817.
2159808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 159808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173736).
159808 is an abundant number, since it is smaller than the sum of its proper divisors (187664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159808 is a wasteful number, since it uses less digits than its factorization.
159808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250 (or 240 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 31.
The square root of 159808 is about 399.7599279568. The cubic root of 159808 is about 54.2666282990.
The spelling of 159808 in words is "one hundred fifty-nine thousand, eight hundred eight".
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