144544136260451 has 2 divisors, whose sum is σ = 144544136260452. Its totient is φ = 144544136260450.

The previous prime is 144544136260441. The next prime is 144544136260571. The reversal of 144544136260451 is 154062631445441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144544136260451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144544136260451.

It is not a weakly prime, because it can be changed into another prime (144544136260441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272068130225 + 72272068130226.

It is an arithmetic number, because the mean of its divisors is an integer number (72272068130226).

Almost surely, 2^{144544136260451} is an apocalyptic number.

144544136260451 is a deficient number, since it is larger than the sum of its proper divisors (1).

144544136260451 is an equidigital number, since it uses as much as digits as its factorization.

144544136260451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 144544136260451 in words is "one hundred forty-four trillion, five hundred forty-four billion, one hundred thirty-six million, two hundred sixty thousand, four hundred fifty-one".