144731500013 has 2 divisors, whose sum is σ = 144731500014. Its totient is φ = 144731500012.

The previous prime is 144731500003. The next prime is 144731500037. The reversal of 144731500013 is 310005137441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101268423529 + 43463076484 = 318227^2 + 208478^2 .

It is a cyclic number.

It is not a de Polignac number, because 144731500013 - 2¹² = 144731495917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144731500003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365750006 + 72365750007.

It is an arithmetic number, because the mean of its divisors is an integer number (72365750007).

Almost surely, 2^144731500013 is an apocalyptic number.

It is an amenable number.

144731500013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731500013 is an equidigital number, since it uses as much as digits as its factorization.

144731500013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 144731500013 its reverse (310005137441), we get a palindrome (454736637454).

The spelling of 144731500013 in words is "one hundred forty-four billion, seven hundred thirty-one million, five hundred thousand, thirteen".