144889 has 2 divisors, whose sum is σ = 144890. Its totient is φ = 144888.

The previous prime is 144887. The next prime is 144899. The reversal of 144889 is 988441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133225 + 11664 = 365^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 144889 - 2¹ = 144887 is a prime.

Together with 144887, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (144883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72444 + 72445.

It is an arithmetic number, because the mean of its divisors is an integer number (72445).

2¹⁴⁴⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

144889 is a deficient number, since it is larger than the sum of its proper divisors (1).

144889 is an equidigital number, since it uses as much as digits as its factorization.

144889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 144889 is about 380.6428772485. The cubic root of 144889 is about 52.5224695957.

The spelling of 144889 in words is "one hundred forty-four thousand, eight hundred eighty-nine".