545215124444 has 12 divisors (see below), whose sum is σ = 954272159568. Its totient is φ = 272565936000.

The previous prime is 545215124431. The next prime is 545215124483. The reversal of 545215124444 is 444421512545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10377077 + ... + 10429484.

It is an arithmetic number, because the mean of its divisors is an integer number (79522679964).

Almost surely, 2^545215124444 is an apocalyptic number.

It is an amenable number.

545215124444 is a deficient number, since it is larger than the sum of its proper divisors (409057035124).

545215124444 is a wasteful number, since it uses less digits than its factorization.

545215124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813116 (or 20813114 counting only the distinct ones).

The product of its digits is 512000, while the sum is 41.

Adding to 545215124444 its reverse (444421512545), we get a palindrome (989636636989).

The spelling of 545215124444 in words is "five hundred forty-five billion, two hundred fifteen million, one hundred twenty-four thousand, four hundred forty-four".