159506256 has 180 divisors, whose sum is σ = 519737568. Its totient is φ = 41273856.

The previous prime is 159506251. The next prime is 159506267. The reversal of 159506256 is 652605951.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159506251) 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 35 ways as a sum of consecutive naturals, for example, 3009526 + ... + 3009578.

Almost surely, 2^159506256 is an apocalyptic number.

159506256 is a gapful number since it is divisible by the number (16) 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 159506256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259868784).

159506256 is an abundant number, since it is smaller than the sum of its proper divisors (360231312).

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

159506256 is a wasteful number, since it uses less digits than its factorization.

159506256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 159506256 is about 12629.5786152983. The cubic root of 159506256 is about 542.3245198262.

The spelling of 159506256 in words is "one hundred fifty-nine million, five hundred six thousand, two hundred fifty-six".