144245 has 8 divisors (see below), whose sum is σ = 183384. Its totient is φ = 108544.

The previous prime is 144241. The next prime is 144247. The reversal of 144245 is 542441.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 75076 = 263^2 + 274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144245 - 2² = 144241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144245.

It is not an unprimeable number, because it can be changed into a prime (144241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (22923).

2¹⁴⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

144245 is a deficient number, since it is larger than the sum of its proper divisors (39139).

144245 is a wasteful number, since it uses less digits than its factorization.

144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its digits is 640, while the sum is 20.

The square root of 144245 is about 379.7959978725. The cubic root of 144245 is about 52.4445370435. Note that the first 3 decimals are identical.

Adding to 144245 its reverse (542441), we get a palindrome (686686).

The spelling of 144245 in words is "one hundred forty-four thousand, two hundred forty-five".