159803444 has 12 divisors (see below), whose sum is σ = 287214564. Its totient is φ = 77742144.

The previous prime is 159803411. The next prime is 159803459. The reversal of 159803444 is 444308951.

It can be written as a sum of positive squares in 2 ways, for example, as 92891044 + 66912400 = 9638^2 + 8180^2 .

It is a super-2 number, since 2×159803444² = 51074281428522272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159803398 and 159803407.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 539729 + ... + 540024.

It is an arithmetic number, because the mean of its divisors is an integer number (23934547).

Almost surely, 2^159803444 is an apocalyptic number.

It is an amenable number.

159803444 is a deficient number, since it is larger than the sum of its proper divisors (127411120).

159803444 is a wasteful number, since it uses less digits than its factorization.

159803444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079794 (or 1079792 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 159803444 is about 12641.3386949326. The cubic root of 159803444 is about 542.6611259455.

The spelling of 159803444 in words is "one hundred fifty-nine million, eight hundred three thousand, four hundred forty-four".