144491 has 8 divisors (see below), whose sum is σ = 153600. Its totient is φ = 135720.

The previous prime is 144481. The next prime is 144497. The reversal of 144491 is 194441.

144491 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 a cyclic number.

It is not a de Polignac number, because 144491 - 2⁶ = 144427 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (144497) 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, 1790 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (19200).

2¹⁴⁴⁴⁹¹ is an apocalyptic number.

144491 is a deficient number, since it is larger than the sum of its proper divisors (9109).

144491 is an equidigital number, since it uses as much as digits as its factorization.

144491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 576, while the sum is 23.

The square root of 144491 is about 380.1197179837. The cubic root of 144491 is about 52.4743336371.

The spelling of 144491 in words is "one hundred forty-four thousand, four hundred ninety-one".