144291 has 8 divisors (see below), whose sum is σ = 219904. Its totient is φ = 82440.

The previous prime is 144289. The next prime is 144299. The reversal of 144291 is 192441.

144291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144291 - 2¹ = 144289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6871 = 144291 / (1 + 4 + 4 + 2 + 9 + 1).

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 7 ways as a sum of consecutive naturals, for example, 3415 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (27488).

2¹⁴⁴²⁹¹ is an apocalyptic number.

144291 is a deficient number, since it is larger than the sum of its proper divisors (75613).

144291 is an equidigital number, since it uses as much as digits as its factorization.

144291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its digits is 288, while the sum is 21.

The square root of 144291 is about 379.8565518719. The cubic root of 144291 is about 52.4501113380.

It can be divided in two parts, 144 and 291, that added together give a triangular number (435 = T₂₉).

The spelling of 144291 in words is "one hundred forty-four thousand, two hundred ninety-one".