159189030 has 512 divisors, whose sum is σ = 619315200. Its totient is φ = 27993600.

The previous prime is 159189013. The next prime is 159189073. The reversal of 159189030 is 30981951.

It is a happy number.

It is a super-2 number, since 2×159189030² = 50682294544681800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5135115 + ... + 5135145.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^159189030 is an apocalyptic number.

159189030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159189030 is the 7980-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159189030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

159189030 is an abundant number, since it is smaller than the sum of its proper divisors (460126170).

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

159189030 is a wasteful number, since it uses less digits than its factorization.

159189030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 159189030 is about 12617.0135135063. The cubic root of 159189030 is about 541.9647562673.

The spelling of 159189030 in words is "one hundred fifty-nine million, one hundred eighty-nine thousand, thirty".