159672224 has 12 divisors (see below), whose sum is σ = 314354754. Its totient is φ = 79836096.

The previous prime is 159672221. The next prime is 159672229. The reversal of 159672224 is 422276951.

It can be written as a sum of positive squares in only one way, i.e., 90250000 + 69422224 = 9500^2 + 8332^2 .

It is not an unprimeable number, because it can be changed into a prime (159672221) 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 as a sum of consecutive naturals, namely, 2494847 + ... + 2494910.

Almost surely, 2^159672224 is an apocalyptic number.

It is an amenable number.

159672224 is a deficient number, since it is larger than the sum of its proper divisors (154682530).

159672224 is an equidigital number, since it uses as much as digits as its factorization.

159672224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989767 (or 4989759 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 159672224 is about 12636.1475141754. The cubic root of 159672224 is about 542.5125528182.

The spelling of 159672224 in words is "one hundred fifty-nine million, six hundred seventy-two thousand, two hundred twenty-four".