159221152 has 12 divisors (see below), whose sum is σ = 313466706. Its totient is φ = 79610560.

The previous prime is 159221137. The next prime is 159221189. The reversal of 159221152 is 251122951.

It can be written as a sum of positive squares in only one way, i.e., 155850256 + 3370896 = 12484^2 + 1836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 159221152.

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 as a sum of consecutive naturals, namely, 2487799 + ... + 2487862.

Almost surely, 2^159221152 is an apocalyptic number.

It is an amenable number.

159221152 is a deficient number, since it is larger than the sum of its proper divisors (154245554).

159221152 is an equidigital number, since it uses as much as digits as its factorization.

159221152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975671 (or 4975663 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 159221152 is about 12618.2864129802. The cubic root of 159221152 is about 542.0012073157.

The spelling of 159221152 in words is "one hundred fifty-nine million, two hundred twenty-one thousand, one hundred fifty-two".