144897384397 has 2 divisors, whose sum is σ = 144897384398. Its totient is φ = 144897384396.

The previous prime is 144897384343. The next prime is 144897384407. The reversal of 144897384397 is 793483798441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91428221641 + 53469162756 = 302371^2 + 231234^2 .

It is a cyclic number.

It is not a de Polignac number, because 144897384397 - 2¹¹ = 144897382349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144897384097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72448692198 + 72448692199.

It is an arithmetic number, because the mean of its divisors is an integer number (72448692199).

Almost surely, 2^144897384397 is an apocalyptic number.

It is an amenable number.

144897384397 is a deficient number, since it is larger than the sum of its proper divisors (1).

144897384397 is an equidigital number, since it uses as much as digits as its factorization.

144897384397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146313216, while the sum is 67.

The spelling of 144897384397 in words is "one hundred forty-four billion, eight hundred ninety-seven million, three hundred eighty-four thousand, three hundred ninety-seven".