144144425 has 12 divisors (see below), whose sum is σ = 180584796. Its totient is φ = 114124800.

The previous prime is 144144421. The next prime is 144144433. The reversal of 144144425 is 524441441.

It can be written as a sum of positive squares in 6 ways, for example, as 23078416 + 121066009 = 4804^2 + 11003^2 .

It is not a de Polignac number, because 144144425 - 2² = 144144421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144144421) 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 11 ways as a sum of consecutive naturals, for example, 27296 + ... + 32145.

It is an arithmetic number, because the mean of its divisors is an integer number (15048733).

Almost surely, 2^144144425 is an apocalyptic number.

It is an amenable number.

144144425 is a deficient number, since it is larger than the sum of its proper divisors (36440371).

144144425 is an equidigital number, since it uses as much as digits as its factorization.

144144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59548 (or 59543 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 144144425 is about 12006.0162002223. The cubic root of 144144425 is about 524.3234520395.

Adding to 144144425 its reverse (524441441), we get a palindrome (668585866).

The spelling of 144144425 in words is "one hundred forty-four million, one hundred forty-four thousand, four hundred twenty-five".