144884225 has 6 divisors (see below), whose sum is σ = 179656470. Its totient is φ = 115907360.

The previous prime is 144884189. The next prime is 144884227. The reversal of 144884225 is 522488441.

It can be written as a sum of positive squares in 3 ways, for example, as 27552001 + 117332224 = 5249^2 + 10832^2 .

It is not a de Polignac number, because 144884225 - 2⁶ = 144884161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144884227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2897660 + ... + 2897709.

It is an arithmetic number, because the mean of its divisors is an integer number (29942745).

Almost surely, 2^144884225 is an apocalyptic number.

It is an amenable number.

144884225 is a deficient number, since it is larger than the sum of its proper divisors (34772245).

144884225 is an equidigital number, since it uses as much as digits as its factorization.

144884225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795379 (or 5795374 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 144884225 is about 12036.7863235998. The cubic root of 144884225 is about 525.2189260794.

The spelling of 144884225 in words is "one hundred forty-four million, eight hundred eighty-four thousand, two hundred twenty-five".