159885828 has 36 divisors (see below), whose sum is σ = 408166668. Its totient is φ = 52766400.

The previous prime is 159885821. The next prime is 159885829. The reversal of 159885828 is 828588951.

It is a happy number.

159885828 is a `hidden beast` number, since 1 + 59 + 8 + 8 + 582 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122943744 + 36942084 = 11088^2 + 6078^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (159885821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18351 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (11337963).

Almost surely, 2^159885828 is an apocalyptic number.

159885828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159885828 is an abundant number, since it is smaller than the sum of its proper divisors (248280840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159885828 is a wasteful number, since it uses less digits than its factorization.

159885828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44084 (or 44079 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 54.

The square root of 159885828 is about 12644.5967907245. The cubic root of 159885828 is about 542.7543632223.

The spelling of 159885828 in words is "one hundred fifty-nine million, eight hundred eighty-five thousand, eight hundred twenty-eight".