144522293 has 2 divisors, whose sum is σ = 144522294. Its totient is φ = 144522292.

The previous prime is 144522277. The next prime is 144522311. The reversal of 144522293 is 392225441.

144522293 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., 100140049 + 44382244 = 10007^2 + 6662^2 .

It is a cyclic number.

It is not a de Polignac number, because 144522293 - 2⁴ = 144522277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144522223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72261146 + 72261147.

It is an arithmetic number, because the mean of its divisors is an integer number (72261147).

Almost surely, 2^144522293 is an apocalyptic number.

It is an amenable number.

144522293 is a deficient number, since it is larger than the sum of its proper divisors (1).

144522293 is an equidigital number, since it uses as much as digits as its factorization.

144522293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 144522293 is about 12021.7425109674. The cubic root of 144522293 is about 524.7812155653.

The spelling of 144522293 in words is "one hundred forty-four million, five hundred twenty-two thousand, two hundred ninety-three".