144441404 has 12 divisors (see below), whose sum is σ = 252911904. Its totient is φ = 72180864.

The previous prime is 144441397. The next prime is 144441419. The reversal of 144441404 is 404144441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (21075992).

Almost surely, 2^144441404 is an apocalyptic number.

It is an amenable number.

144441404 is a deficient number, since it is larger than the sum of its proper divisors (108470500).

144441404 is a wasteful number, since it uses less digits than its factorization.

144441404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924 (or 19922 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 144441404 is about 12018.3777607462. The cubic root of 144441404 is about 524.6832907656.

Adding to 144441404 its reverse (404144441), we get a palindrome (548585845).

The spelling of 144441404 in words is "one hundred forty-four million, four hundred forty-one thousand, four hundred four".