545300320505 has 8 divisors (see below), whose sum is σ = 655149726600. Its totient is φ = 435714028416.

The previous prime is 545300320447. The next prime is 545300320517. The reversal of 545300320505 is 505023003545.

It can be written as a sum of positive squares in 4 ways, for example, as 201234782464 + 344065538041 = 448592^2 + 586571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 545300320505 - 2⁶ = 545300320441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65773940 + ... + 65782229.

It is an arithmetic number, because the mean of its divisors is an integer number (81893715825).

Almost surely, 2^545300320505 is an apocalyptic number.

It is an amenable number.

545300320505 is a deficient number, since it is larger than the sum of its proper divisors (109849406095).

545300320505 is a wasteful number, since it uses less digits than its factorization.

545300320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131557003.

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 545300320505 in words is "five hundred forty-five billion, three hundred million, three hundred twenty thousand, five hundred five".