144401 has 4 divisors (see below), whose sum is σ = 145332. Its totient is φ = 143472.

The previous prime is 144383. The next prime is 144407. The reversal of 144401 is 104441.

It is a Cunningham number, because it is equal to 380²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104441 = 71 ⋅1471.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 3025 = 376^2 + 55^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

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 3 ways as a sum of consecutive naturals, for example, 170 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (36333).

2¹⁴⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

144401 is a deficient number, since it is larger than the sum of its proper divisors (931).

144401 is an equidigital number, since it uses as much as digits as its factorization.

144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 144401 is about 380.0013157872. The cubic root of 144401 is about 52.4634363703.

Adding to 144401 its reverse (104441), we get a palindrome (248842).

It can be divided in two parts, 14440 and 1, that added together give a palindrome (14441).

The spelling of 144401 in words is "one hundred forty-four thousand, four hundred one", and thus it is an iban number.