144447 has 8 divisors (see below), whose sum is σ = 195120. Its totient is φ = 95040.

The previous prime is 144439. The next prime is 144451. The reversal of 144447 is 744441.

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

It is not a de Polignac number, because 144447 - 2³ = 144439 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144407) 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, 4 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (24390).

2¹⁴⁴⁴⁴⁷ is an apocalyptic number.

144447 is a deficient number, since it is larger than the sum of its proper divisors (50673).

144447 is an equidigital number, since it uses as much as digits as its factorization.

144447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 1792, while the sum is 24.

The square root of 144447 is about 380.0618370739. The cubic root of 144447 is about 52.4690066500.

Adding to 144447 its reverse (744441), we get a palindrome (888888).

The spelling of 144447 in words is "one hundred forty-four thousand, four hundred forty-seven", and thus it is an iban number.