545300320545 has 24 divisors (see below), whose sum is σ = 946191745512. Its totient is φ = 290517753600.

The previous prime is 545300320517. The next prime is 545300320561. The reversal of 545300320545 is 545023003545.

545300320545 is a `hidden beast` number, since 54 + 5 + 30 + 0 + 32 + 0 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 171714099456 + 373586221089 = 414384^2 + 611217^2 .

It is not a de Polignac number, because 545300320545 - 2⁸ = 545300320289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6396436 + ... + 6481125.

It is an arithmetic number, because the mean of its divisors is an integer number (39424656063).

Almost surely, 2^545300320545 is an apocalyptic number.

It is an amenable number.

545300320545 is a deficient number, since it is larger than the sum of its proper divisors (400891424967).

545300320545 is a wasteful number, since it uses less digits than its factorization.

545300320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12878513 (or 12878510 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 545300320545 in words is "five hundred forty-five billion, three hundred million, three hundred twenty thousand, five hundred forty-five".