144407 has 2 divisors, whose sum is σ = 144408. Its totient is φ = 144406.

The previous prime is 144383. The next prime is 144409. The reversal of 144407 is 704441.

144407 is nontrivially palindromic in base 15.

It is a strong prime.

It is an emirp because it is prime and its reverse (704441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144407 is a prime.

Together with 144409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72203 + 72204.

It is an arithmetic number, because the mean of its divisors is an integer number (72204).

2¹⁴⁴⁴⁰⁷ is an apocalyptic number.

144407 is a deficient number, since it is larger than the sum of its proper divisors (1).

144407 is an equidigital number, since it uses as much as digits as its factorization.

144407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 144407 is about 380.0092104147. The cubic root of 144407 is about 52.4641629956.

Adding to 144407 its reverse (704441), we get a palindrome (848848).

The spelling of 144407 in words is "one hundred forty-four thousand, four hundred seven", and thus it is an iban number.