144803668 has 12 divisors (see below), whose sum is σ = 254694132. Its totient is φ = 72033920.

The previous prime is 144803651. The next prime is 144803669. The reversal of 144803668 is 866308441.

It can be written as a sum of positive squares in 2 ways, for example, as 138956944 + 5846724 = 11788^2 + 2418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144803668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144803669) 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 in 3 ways as a sum of consecutive naturals, for example, 91093 + ... + 92668.

It is an arithmetic number, because the mean of its divisors is an integer number (21224511).

Almost surely, 2^144803668 is an apocalyptic number.

It is an amenable number.

144803668 is a deficient number, since it is larger than the sum of its proper divisors (109890464).

144803668 is a wasteful number, since it uses less digits than its factorization.

144803668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183962 (or 183960 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 144803668 is about 12033.4395747849. The cubic root of 144803668 is about 525.1215658019.

The spelling of 144803668 in words is "one hundred forty-four million, eight hundred three thousand, six hundred sixty-eight".