144973 has 2 divisors, whose sum is σ = 144974. Its totient is φ = 144972.

The previous prime is 144967. The next prime is 144983. The reversal of 144973 is 379441.

144973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 56169 = 298^2 + 237^2 .

It is an emirp because it is prime and its reverse (379441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144973 - 2⁵ = 144941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72486 + 72487.

It is an arithmetic number, because the mean of its divisors is an integer number (72487).

2¹⁴⁴⁹⁷³ is an apocalyptic number.

It is an amenable number.

144973 is a deficient number, since it is larger than the sum of its proper divisors (1).

144973 is an equidigital number, since it uses as much as digits as its factorization.

144973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 144973 is about 380.7532009058. The cubic root of 144973 is about 52.5326176749.

The spelling of 144973 in words is "one hundred forty-four thousand, nine hundred seventy-three".