144603566729 has 2 divisors, whose sum is σ = 144603566730. Its totient is φ = 144603566728.

The previous prime is 144603566717. The next prime is 144603566773. The reversal of 144603566729 is 927665306441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98699647225 + 45903919504 = 314165^2 + 214252^2 .

It is a cyclic number.

It is not a de Polignac number, because 144603566729 - 2⁸ = 144603566473 is a prime.

It is not a weakly prime, because it can be changed into another prime (144603536729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72301783364 + 72301783365.

It is an arithmetic number, because the mean of its divisors is an integer number (72301783365).

Almost surely, 2^144603566729 is an apocalyptic number.

It is an amenable number.

144603566729 is a deficient number, since it is larger than the sum of its proper divisors (1).

144603566729 is an equidigital number, since it uses as much as digits as its factorization.

144603566729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 144603566729 in words is "one hundred forty-four billion, six hundred three million, five hundred sixty-six thousand, seven hundred twenty-nine".