144145225 has 24 divisors (see below), whose sum is σ = 211325760. Its totient is φ = 95430720.

The previous prime is 144145223. The next prime is 144145241. The reversal of 144145225 is 522541441.

It is not a de Polignac number, because 144145225 - 2¹ = 144145223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144145193 and 144145202.

It is not an unprimeable number, because it can be changed into a prime (144145223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9127 + ... + 19276.

It is an arithmetic number, because the mean of its divisors is an integer number (8805240).

Almost surely, 2^144145225 is an apocalyptic number.

It is an amenable number.

144145225 is a deficient number, since it is larger than the sum of its proper divisors (67180535).

144145225 is a wasteful number, since it uses less digits than its factorization.

144145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28449 (or 28444 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 144145225 is about 12006.0495168061. The cubic root of 144145225 is about 524.3244220342.

Adding to 144145225 its reverse (522541441), we get a palindrome (666686666).

The spelling of 144145225 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred twenty-five".