159938444 has 6 divisors (see below), whose sum is σ = 279892284. Its totient is φ = 79969220.

The previous prime is 159938437. The next prime is 159938459. The reversal of 159938444 is 444839951.

It is a super-2 number, since 2×159938444² = 51160611738282272, which contains 22 as substring.

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, 19992302 + ... + 19992309.

It is an arithmetic number, because the mean of its divisors is an integer number (46648714).

Almost surely, 2^159938444 is an apocalyptic number.

It is an amenable number.

159938444 is a deficient number, since it is larger than the sum of its proper divisors (119953840).

159938444 is a wasteful number, since it uses less digits than its factorization.

159938444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39984615 (or 39984613 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 159938444 is about 12646.6771920533. The cubic root of 159938444 is about 542.8138941010.

The spelling of 159938444 in words is "one hundred fifty-nine million, nine hundred thirty-eight thousand, four hundred forty-four".