545545120345 has 16 divisors (see below), whose sum is σ = 670865609232. Its totient is φ = 425636208640.

The previous prime is 545545120333. The next prime is 545545120399. The reversal of 545545120345 is 543021545545.

It can be written as a sum of positive squares in 8 ways, for example, as 4468655104 + 541076465241 = 66848^2 + 735579^2 .

It is not a de Polignac number, because 545545120345 - 2⁵ = 545545120313 is a prime.

It is a Duffinian number.

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, 81039 + ... + 1047691.

It is an arithmetic number, because the mean of its divisors is an integer number (41929100577).

Almost surely, 2^545545120345 is an apocalyptic number.

It is an amenable number.

545545120345 is a deficient number, since it is larger than the sum of its proper divisors (125320488887).

545545120345 is a wasteful number, since it uses less digits than its factorization.

545545120345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969452.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 545545120345 in words is "five hundred forty-five billion, five hundred forty-five million, one hundred twenty thousand, three hundred forty-five".