159784380 has 192 divisors, whose sum is σ = 582543360. Its totient is φ = 35596800.

The previous prime is 159784369. The next prime is 159784397. The reversal of 159784380 is 83487951.

159784380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154465 + ... + 155495.

It is an arithmetic number, because the mean of its divisors is an integer number (3034080).

Almost surely, 2^159784380 is an apocalyptic number.

159784380 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 159784380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291271680).

159784380 is an abundant number, since it is smaller than the sum of its proper divisors (422758980).

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

159784380 is a wasteful number, since it uses less digits than its factorization.

159784380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 159784380 is about 12640.5846383781. The cubic root of 159784380 is about 542.6395458867.

The spelling of 159784380 in words is "one hundred fifty-nine million, seven hundred eighty-four thousand, three hundred eighty".