159787232 has 48 divisors (see below), whose sum is σ = 344382192. Its totient is φ = 72376320.

The previous prime is 159787231. The next prime is 159787241. The reversal of 159787232 is 232787951.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159787231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130688 + ... + 131904.

It is an arithmetic number, because the mean of its divisors is an integer number (7174629).

Almost surely, 2^159787232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159787232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172191096).

159787232 is an abundant number, since it is smaller than the sum of its proper divisors (184594960).

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

159787232 is a wasteful number, since it uses less digits than its factorization.

159787232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1603 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 159787232 is about 12640.6974491125. The cubic root of 159787232 is about 542.6427744017.

The spelling of 159787232 in words is "one hundred fifty-nine million, seven hundred eighty-seven thousand, two hundred thirty-two".