159033420 has 432 divisors, whose sum is σ = 644847840. Its totient is φ = 31352832.

The previous prime is 159033409. The next prime is 159033461. The reversal of 159033420 is 24330951.

159033420 is a `hidden beast` number, since 1 + 590 + 33 + 42 + 0 = 666.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 2178504 + ... + 2178576.

Almost surely, 2^159033420 is an apocalyptic number.

159033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322423920).

159033420 is an abundant number, since it is smaller than the sum of its proper divisors (485814420).

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

159033420 is a wasteful number, since it uses less digits than its factorization.

159033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 159033420 is about 12610.8453324906. The cubic root of 159033420 is about 541.7881054216.

The spelling of 159033420 in words is "one hundred fifty-nine million, thirty-three thousand, four hundred twenty".