144494939 has 2 divisors, whose sum is σ = 144494940. Its totient is φ = 144494938.

The previous prime is 144494923. The next prime is 144494941. The reversal of 144494939 is 939494441.

144494939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (939494441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144494939 - 2⁴ = 144494923 is a prime.

It is a super-3 number, since 3×144494939³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 144494941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144494893 and 144494902.

It is not a weakly prime, because it can be changed into another prime (144494039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72247469 + 72247470.

It is an arithmetic number, because the mean of its divisors is an integer number (72247470).

Almost surely, 2^144494939 is an apocalyptic number.

144494939 is a deficient number, since it is larger than the sum of its proper divisors (1).

144494939 is an equidigital number, since it uses as much as digits as its factorization.

144494939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 144494939 is about 12020.6047684798. The cubic root of 144494939 is about 524.7481047078.

The spelling of 144494939 in words is "one hundred forty-four million, four hundred ninety-four thousand, nine hundred thirty-nine".