72536305145 has 8 divisors (see below), whose sum is σ = 87529844160. Its totient is φ = 57704858800.

The previous prime is 72536305133. The next prime is 72536305151. The reversal of 72536305145 is 54150363527.

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

It is not a de Polignac number, because 72536305145 - 2⁶ = 72536305081 is a prime.

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, 40522181 + ... + 40523970.

It is an arithmetic number, because the mean of its divisors is an integer number (10941230520).

Almost surely, 2^72536305145 is an apocalyptic number.

It is an amenable number.

72536305145 is a deficient number, since it is larger than the sum of its proper divisors (14993539015).

72536305145 is a wasteful number, since it uses less digits than its factorization.

72536305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81046335.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 72536305145 in words is "seventy-two billion, five hundred thirty-six million, three hundred five thousand, one hundred forty-five".