144013253 has 4 divisors (see below), whose sum is σ = 146374188. Its totient is φ = 141652320.

The previous prime is 144013249. The next prime is 144013267. The reversal of 144013253 is 352310441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33721249 + 110292004 = 5807^2 + 10502^2 .

It is a cyclic number.

It is not a de Polignac number, because 144013253 - 2² = 144013249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144013153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180376 + ... + 1180497.

It is an arithmetic number, because the mean of its divisors is an integer number (36593547).

Almost surely, 2^144013253 is an apocalyptic number.

It is an amenable number.

144013253 is a deficient number, since it is larger than the sum of its proper divisors (2360935).

144013253 is an equidigital number, since it uses as much as digits as its factorization.

144013253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360934.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 144013253 is about 12000.5521956283. The cubic root of 144013253 is about 524.1643582956.

Adding to 144013253 its reverse (352310441), we get a palindrome (496323694).

The spelling of 144013253 in words is "one hundred forty-four million, thirteen thousand, two hundred fifty-three".