144204244 has 24 divisors (see below), whose sum is σ = 263443208. Its totient is φ = 68999040.

The previous prime is 144204199. The next prime is 144204259. The reversal of 144204244 is 442402441.

It can be written as a sum of positive squares in 4 ways, for example, as 26915344 + 117288900 = 5188^2 + 10830^2 .

It is a super-2 number, since 2×144204244² = 41589727975223072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1042 + ... + 17014.

Almost surely, 2^144204244 is an apocalyptic number.

It is an amenable number.

144204244 is a deficient number, since it is larger than the sum of its proper divisors (119238964).

144204244 is a wasteful number, since it uses less digits than its factorization.

144204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075 (or 16073 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 144204244 is about 12008.5071511824. The cubic root of 144204244 is about 524.3959722841.

Adding to 144204244 its reverse (442402441), we get a palindrome (586606685).

The spelling of 144204244 in words is "one hundred forty-four million, two hundred four thousand, two hundred forty-four".