144431 has 8 divisors (see below), whose sum is σ = 168960. Its totient is φ = 120888.

The previous prime is 144427. The next prime is 144439. The reversal of 144431 is 134441.

144431 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 144431 - 2² = 144427 is a prime.

It is a super-2 number, since 2×144431² = 41720627522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144439) 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, 110 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (21120).

2¹⁴⁴⁴³¹ is an apocalyptic number.

144431 is a deficient number, since it is larger than the sum of its proper divisors (24529).

144431 is an equidigital number, since it uses as much as digits as its factorization.

144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 192, while the sum is 17.

The square root of 144431 is about 380.0407872847. The cubic root of 144431 is about 52.4670692956.

Adding to 144431 its reverse (134441), we get a palindrome (278872).

It can be divided in two parts, 144 and 431, that added together give a palindrome (575).

The spelling of 144431 in words is "one hundred forty-four thousand, four hundred thirty-one".