144191954497 has 2 divisors, whose sum is σ = 144191954498. Its totient is φ = 144191954496.

The previous prime is 144191954483. The next prime is 144191954531. The reversal of 144191954497 is 794459191441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144157661761 + 34292736 = 379681^2 + 5856^2 .

It is a cyclic number.

It is not a de Polignac number, because 144191954497 - 2⁷ = 144191954369 is a prime.

It is not a weakly prime, because it can be changed into another prime (144191954447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72095977248 + 72095977249.

It is an arithmetic number, because the mean of its divisors is an integer number (72095977249).

Almost surely, 2^144191954497 is an apocalyptic number.

It is an amenable number.

144191954497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144191954497 is an equidigital number, since it uses as much as digits as its factorization.

144191954497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 58.

The spelling of 144191954497 in words is "one hundred forty-four billion, one hundred ninety-one million, nine hundred fifty-four thousand, four hundred ninety-seven".