144521066533 has 2 divisors, whose sum is σ = 144521066534. Its totient is φ = 144521066532.

The previous prime is 144521066489. The next prime is 144521066561. The reversal of 144521066533 is 335660125441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134331779169 + 10189287364 = 366513^2 + 100942^2 .

It is an emirp because it is prime and its reverse (335660125441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144521066533 - 2⁹ = 144521066021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144521066033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72260533266 + 72260533267.

It is an arithmetic number, because the mean of its divisors is an integer number (72260533267).

Almost surely, 2^144521066533 is an apocalyptic number.

It is an amenable number.

144521066533 is a deficient number, since it is larger than the sum of its proper divisors (1).

144521066533 is an equidigital number, since it uses as much as digits as its factorization.

144521066533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 144521066533 in words is "one hundred forty-four billion, five hundred twenty-one million, sixty-six thousand, five hundred thirty-three".