144799 has 4 divisors (see below), whose sum is σ = 152440. Its totient is φ = 137160.

The previous prime is 144791. The next prime is 144817. The reversal of 144799 is 997441.

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

It is a cyclic number.

It is not a de Polignac number, because 144799 - 2³ = 144791 is a prime.

It is a Duffinian number.

144799 is a lucky number.

It is a plaindrome in base 10, base 14 and base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (38110).

2¹⁴⁴⁷⁹⁹ is an apocalyptic number.

144799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144799 is a deficient number, since it is larger than the sum of its proper divisors (7641).

144799 is an equidigital number, since it uses as much as digits as its factorization.

144799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its digits is 9072, while the sum is 34.

The square root of 144799 is about 380.5246378357. The cubic root of 144799 is about 52.5115923003.

The spelling of 144799 in words is "one hundred forty-four thousand, seven hundred ninety-nine".