144914293 has 2 divisors, whose sum is σ = 144914294. Its totient is φ = 144914292.

The previous prime is 144914279. The next prime is 144914317. The reversal of 144914293 is 392419441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136258929 + 8655364 = 11673^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 144914293 - 2⁵ = 144914261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144914893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72457146 + 72457147.

It is an arithmetic number, because the mean of its divisors is an integer number (72457147).

Almost surely, 2^144914293 is an apocalyptic number.

It is an amenable number.

144914293 is a deficient number, since it is larger than the sum of its proper divisors (1).

144914293 is an equidigital number, since it uses as much as digits as its factorization.

144914293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 144914293 is about 12038.0352632811. The cubic root of 144914293 is about 525.2552566745.

The spelling of 144914293 in words is "one hundred forty-four million, nine hundred fourteen thousand, two hundred ninety-three".