144293 has 4 divisors (see below), whose sum is σ = 145068. Its totient is φ = 143520.

The previous prime is 144289. The next prime is 144299. The reversal of 144293 is 392441.

144293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 128164 = 127^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 144293 - 2² = 144289 is a prime.

It is a d-powerful number, because it can be written as 1 + 4² + 2³ + 4⁸ + 9⁵ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144299) 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, 83 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (36267).

2¹⁴⁴²⁹³ is an apocalyptic number.

It is an amenable number.

144293 is a deficient number, since it is larger than the sum of its proper divisors (775).

144293 is an equidigital number, since it uses as much as digits as its factorization.

144293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its digits is 864, while the sum is 23.

The square root of 144293 is about 379.8591844355. The cubic root of 144293 is about 52.4503536717.

The spelling of 144293 in words is "one hundred forty-four thousand, two hundred ninety-three".