545677845 has 16 divisors (see below), whose sum is σ = 876837312. Its totient is φ = 289777280.

The previous prime is 545677837. The next prime is 545677907. The reversal of 545677845 is 548776545.

It is not a de Polignac number, because 545677845 - 2³ = 545677837 is a prime.

It is a congruent 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, 74571 + ... + 81560.

It is an arithmetic number, because the mean of its divisors is an integer number (54802332).

Almost surely, 2^545677845 is an apocalyptic number.

It is an amenable number.

545677845 is a deficient number, since it is larger than the sum of its proper divisors (331159467).

545677845 is a wasteful number, since it uses less digits than its factorization.

545677845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156372.

The product of its digits is 4704000, while the sum is 51.

The square root of 545677845 is about 23359.7483933368. The cubic root of 545677845 is about 817.1694218393.

The spelling of 545677845 in words is "five hundred forty-five million, six hundred seventy-seven thousand, eight hundred forty-five".