545648808846545 has 8 divisors (see below), whose sum is σ = 654816730201920. Its totient is φ = 436493607353200.

The previous prime is 545648808846539. The next prime is 545648808846599.

545648808846545 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 545648808846545 - 2¹⁶ = 545648808781009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545648808846545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179871131 + ... + 3180042720.

It is an arithmetic number, because the mean of its divisors is an integer number (81852091275240).

Almost surely, 2^{545648808846545} is an apocalyptic number.

It is an amenable number.

545648808846545 is a deficient number, since it is larger than the sum of its proper divisors (109167921355375).

545648808846545 is a wasteful number, since it uses less digits than its factorization.

545648808846545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359931015.

The product of its (nonzero) digits is 23592960000, while the sum is 80.

The spelling of 545648808846545 in words is "five hundred forty-five trillion, six hundred forty-eight billion, eight hundred eight million, eight hundred forty-six thousand, five hundred forty-five".