144618434497 has 2 divisors, whose sum is σ = 144618434498. Its totient is φ = 144618434496.

The previous prime is 144618434423. The next prime is 144618434503. The reversal of 144618434497 is 794434816441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107924733361 + 36693701136 = 328519^2 + 191556^2 .

It is a cyclic number.

It is not a de Polignac number, because 144618434497 - 2³¹ = 142470950849 is a prime.

It is not a weakly prime, because it can be changed into another prime (144618434407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72309217248 + 72309217249.

It is an arithmetic number, because the mean of its divisors is an integer number (72309217249).

Almost surely, 2^144618434497 is an apocalyptic number.

It is an amenable number.

144618434497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144618434497 is an equidigital number, since it uses as much as digits as its factorization.

144618434497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 55.

The spelling of 144618434497 in words is "one hundred forty-four billion, six hundred eighteen million, four hundred thirty-four thousand, four hundred ninety-seven".