545867868768545 has 8 divisors (see below), whose sum is σ = 661527001359720. Its totient is φ = 432370589123200.

The previous prime is 545867868768487. The next prime is 545867868768587.

545867868768545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 117463024337296 + 428404844431249 = 10838036^2 + 20697943^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-545867868768545 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, 540463235900 + ... + 540463236909.

It is an arithmetic number, because the mean of its divisors is an integer number (82690875169965).

Almost surely, 2^{545867868768545} is an apocalyptic number.

It is an amenable number.

545867868768545 is a deficient number, since it is larger than the sum of its proper divisors (115659132591175).

545867868768545 is a wasteful number, since it uses less digits than its factorization.

545867868768545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080926472915.

The product of its digits is 433520640000, while the sum is 92.

The spelling of 545867868768545 in words is "five hundred forty-five trillion, eight hundred sixty-seven billion, eight hundred sixty-eight million, seven hundred sixty-eight thousand, five hundred forty-five".