144229 has 4 divisors (see below), whose sum is σ = 151840. Its totient is φ = 136620.

The previous prime is 144223. The next prime is 144241. The reversal of 144229 is 922441.

144229 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922441 = 13 ⋅70957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144229 is a prime.

It is a Duffinian number.

144229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144223) 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, 3777 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (37960).

2¹⁴⁴²²⁹ is an apocalyptic number.

144229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

144229 is a deficient number, since it is larger than the sum of its proper divisors (7611).

144229 is an equidigital number, since it uses as much as digits as its factorization.

144229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610.

The product of its digits is 576, while the sum is 22.

The square root of 144229 is about 379.7749333487. The cubic root of 144229 is about 52.4425978807.

It can be divided in two parts, 144 and 229, that added together give a palindrome (373).

The spelling of 144229 in words is "one hundred forty-four thousand, two hundred twenty-nine".