159575940 has 96 divisors (see below), whose sum is σ = 525692160. Its totient is φ = 40048128.

The previous prime is 159575921. The next prime is 159575953. The reversal of 159575940 is 49575951.

159575940 is a `hidden beast` number, since 1 + 5 + 9 + 57 + 594 + 0 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 489 + ... + 17871.

It is an arithmetic number, because the mean of its divisors is an integer number (5475960).

Almost surely, 2^159575940 is an apocalyptic number.

159575940 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 159575940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262846080).

159575940 is an abundant number, since it is smaller than the sum of its proper divisors (366116220).

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

159575940 is a wasteful number, since it uses less digits than its factorization.

159575940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17418 (or 17410 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The square root of 159575940 is about 12632.3370759333. The cubic root of 159575940 is about 542.4034840014.

The spelling of 159575940 in words is "one hundred fifty-nine million, five hundred seventy-five thousand, nine hundred forty".