144304397869 has 2 divisors, whose sum is σ = 144304397870. Its totient is φ = 144304397868.

The previous prime is 144304397843. The next prime is 144304397879. The reversal of 144304397869 is 968793403441.

144304397869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117606471844 + 26697926025 = 342938^2 + 163395^2 .

It is a cyclic number.

It is not a de Polignac number, because 144304397869 - 2²¹ = 144302300717 is a prime.

It is a super-2 number, since 2×144304397869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144304397879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72152198934 + 72152198935.

It is an arithmetic number, because the mean of its divisors is an integer number (72152198935).

Almost surely, 2^144304397869 is an apocalyptic number.

It is an amenable number.

144304397869 is a deficient number, since it is larger than the sum of its proper divisors (1).

144304397869 is an equidigital number, since it uses as much as digits as its factorization.

144304397869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 144304397869 in words is "one hundred forty-four billion, three hundred four million, three hundred ninety-seven thousand, eight hundred sixty-nine".