144705624647 has 2 divisors, whose sum is σ = 144705624648. Its totient is φ = 144705624646.

The previous prime is 144705624643. The next prime is 144705624649. The reversal of 144705624647 is 746426507441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144705624647 - 2² = 144705624643 is a prime.

Together with 144705624649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144705624595 and 144705624604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144705624643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72352812323 + 72352812324.

It is an arithmetic number, because the mean of its divisors is an integer number (72352812324).

Almost surely, 2^144705624647 is an apocalyptic number.

144705624647 is a deficient number, since it is larger than the sum of its proper divisors (1).

144705624647 is an equidigital number, since it uses as much as digits as its factorization.

144705624647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 144705624647 in words is "one hundred forty-four billion, seven hundred five million, six hundred twenty-four thousand, six hundred forty-seven".