545845548545 has 16 divisors (see below), whose sum is σ = 718152220800. Its totient is φ = 394983705600.

The previous prime is 545845548503. The next prime is 545845548581.

545845548545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545845548545 - 2⁶ = 545845548481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24924896 + ... + 24946785.

It is an arithmetic number, because the mean of its divisors is an integer number (44884513800).

Almost surely, 2^545845548545 is an apocalyptic number.

545845548545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545845548545 is a deficient number, since it is larger than the sum of its proper divisors (172306672255).

545845548545 is a wasteful number, since it uses less digits than its factorization.

545845548545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49871896.

The product of its digits is 256000000, while the sum is 62.

The spelling of 545845548545 in words is "five hundred forty-five billion, eight hundred forty-five million, five hundred forty-eight thousand, five hundred forty-five".