144353436047729 has 4 divisors (see below), whose sum is σ = 149331140739060. Its totient is φ = 139375731356400.

The previous prime is 144353436047713. The next prime is 144353436047747. The reversal of 144353436047729 is 927740634353441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97987686670129 + 46365749377600 = 9898873^2 + 6809240^2 .

It is a cyclic number.

It is not a de Polignac number, because 144353436047729 - 2⁴ = 144353436047713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144353436047129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488852345622 + ... + 2488852345679.

It is an arithmetic number, because the mean of its divisors is an integer number (37332785184765).

Almost surely, 2^{144353436047729} is an apocalyptic number.

It is an amenable number.

144353436047729 is a deficient number, since it is larger than the sum of its proper divisors (4977704691331).

144353436047729 is an equidigital number, since it uses as much as digits as its factorization.

144353436047729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977704691330.

The product of its (nonzero) digits is 182891520, while the sum is 62.

The spelling of 144353436047729 in words is "one hundred forty-four trillion, three hundred fifty-three billion, four hundred thirty-six million, forty-seven thousand, seven hundred twenty-nine".