72236314145 has 8 divisors (see below), whose sum is σ = 86895519720. Its totient is φ = 57647756160.

The previous prime is 72236314127. The next prime is 72236314151. The reversal of 72236314145 is 54141363227.

It can be written as a sum of positive squares in 4 ways, for example, as 3912627601 + 68323686544 = 62551^2 + 261388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72236314145 - 2²⁰ = 72235265569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72236314099 and 72236314108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17659646 + ... + 17663735.

It is an arithmetic number, because the mean of its divisors is an integer number (10861939965).

Almost surely, 2^72236314145 is an apocalyptic number.

It is an amenable number.

72236314145 is a deficient number, since it is larger than the sum of its proper divisors (14659205575).

72236314145 is a wasteful number, since it uses less digits than its factorization.

72236314145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35323795.

The product of its digits is 120960, while the sum is 38.

The spelling of 72236314145 in words is "seventy-two billion, two hundred thirty-six million, three hundred fourteen thousand, one hundred forty-five".