144523355261 has 2 divisors, whose sum is σ = 144523355262. Its totient is φ = 144523355260.

The previous prime is 144523355237. The next prime is 144523355267. The reversal of 144523355261 is 162553325441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126295655161 + 18227700100 = 355381^2 + 135010^2 .

It is a cyclic number.

It is not a de Polignac number, because 144523355261 - 2²⁶ = 144456246397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144523355267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72261677630 + 72261677631.

It is an arithmetic number, because the mean of its divisors is an integer number (72261677631).

Almost surely, 2^144523355261 is an apocalyptic number.

It is an amenable number.

144523355261 is a deficient number, since it is larger than the sum of its proper divisors (1).

144523355261 is an equidigital number, since it uses as much as digits as its factorization.

144523355261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

The spelling of 144523355261 in words is "one hundred forty-four billion, five hundred twenty-three million, three hundred fifty-five thousand, two hundred sixty-one".