159857280 has 384 divisors, whose sum is σ = 639662400. Its totient is φ = 37416960.

The previous prime is 159857249. The next prime is 159857287. The reversal of 159857280 is 82758951.

It is a happy number.

159857280 is a `hidden beast` number, since 1 + 598 + 57 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159857287) 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 47 ways as a sum of consecutive naturals, for example, 5512306 + ... + 5512334.

Almost surely, 2^159857280 is an apocalyptic number.

159857280 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 159857280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319831200).

159857280 is an abundant number, since it is smaller than the sum of its proper divisors (479805120).

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

159857280 is a wasteful number, since it uses less digits than its factorization.

159857280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 159857280 is about 12643.4678787111. The cubic root of 159857280 is about 542.7220579328.

The spelling of 159857280 in words is "one hundred fifty-nine million, eight hundred fifty-seven thousand, two hundred eighty".