144403144 has 16 divisors (see below), whose sum is σ = 270884700. Its totient is φ = 72167232.

The previous prime is 144403141. The next prime is 144403183. The reversal of 144403144 is 441304441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110040100 + 34363044 = 10490^2 + 5862^2 .

It is a super-3 number, since 3×144403144³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144403141) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 26962 + ... + 31870.

Almost surely, 2^144403144 is an apocalyptic number.

It is an amenable number.

144403144 is a deficient number, since it is larger than the sum of its proper divisors (126481556).

144403144 is a wasteful number, since it uses less digits than its factorization.

144403144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592 (or 8588 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144403144 is about 12016.7859263615. The cubic root of 144403144 is about 524.6369602010.

Adding to 144403144 its reverse (441304441), we get a palindrome (585707585).

The spelling of 144403144 in words is "one hundred forty-four million, four hundred three thousand, one hundred forty-four".