144225 has 18 divisors (see below), whose sum is σ = 258726. Its totient is φ = 76800.

The previous prime is 144223. The next prime is 144241. The reversal of 144225 is 522441.

It can be written as a sum of positive squares in 3 ways, for example, as 31329 + 112896 = 177^2 + 336^2 .

It is not a de Polignac number, because 144225 - 2¹ = 144223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144198 and 144207.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144225.

It is not an unprimeable number, because it can be changed into a prime (144223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96 + ... + 545.

2¹⁴⁴²²⁵ is an apocalyptic number.

144225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144225 is a deficient number, since it is larger than the sum of its proper divisors (114501).

144225 is a wasteful number, since it uses less digits than its factorization.

144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 649 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 144225 is about 379.7696670352. The cubic root of 144225 is about 52.4421130676.

Adding to 144225 its reverse (522441), we get a palindrome (666666).

It can be divided in two parts, 144 and 225, that multiplied together give a square (32400 = 180²).

The spelling of 144225 in words is "one hundred forty-four thousand, two hundred twenty-five".