729365945145 has 16 divisors (see below), whose sum is σ = 1167162996672. Its totient is φ = 388936009280.

The previous prime is 729365945123. The next prime is 729365945179. The reversal of 729365945145 is 541549563927.

It is a happy number.

729365945145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 729365945145 - 2⁸ = 729365944889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595587 + ... + 3793016.

It is an arithmetic number, because the mean of its divisors is an integer number (72947687292).

Almost surely, 2^729365945145 is an apocalyptic number.

It is an amenable number.

729365945145 is a deficient number, since it is larger than the sum of its proper divisors (437797051527).

729365945145 is a wasteful number, since it uses less digits than its factorization.

729365945145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395192.

The product of its digits is 40824000, while the sum is 60.

The spelling of 729365945145 in words is "seven hundred twenty-nine billion, three hundred sixty-five million, nine hundred forty-five thousand, one hundred forty-five".