545323420444 has 24 divisors (see below), whose sum is σ = 1058138743536. Its totient is φ = 243810768000.

The previous prime is 545323420441. The next prime is 545323420469. The reversal of 545323420444 is 444024323545.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 545323420397 and 545323420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545323420441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101585137 + ... + 101590504.

It is an arithmetic number, because the mean of its divisors is an integer number (44089114314).

Almost surely, 2^545323420444 is an apocalyptic number.

It is an amenable number.

545323420444 is a deficient number, since it is larger than the sum of its proper divisors (512815323092).

545323420444 is a wasteful number, since it uses less digits than its factorization.

545323420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203175717 (or 203175715 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 545323420444 its reverse (444024323545), we get a palindrome (989347743989).

The spelling of 545323420444 in words is "five hundred forty-five billion, three hundred twenty-three million, four hundred twenty thousand, four hundred forty-four".