545323425444 has 72 divisors (see below), whose sum is σ = 1575451666880. Its totient is φ = 155799484992.

The previous prime is 545323425433. The next prime is 545323425463. The reversal of 545323425444 is 444524323545.

545323425444 is a `hidden beast` number, since 5 + 45 + 3 + 23 + 42 + 544 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545323425444.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7922127 + ... + 7990665.

Almost surely, 2^545323425444 is an apocalyptic number.

It is an amenable number.

545323425444 is an abundant number, since it is smaller than the sum of its proper divisors (1030128241436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545323425444 is a wasteful number, since it uses less digits than its factorization.

545323425444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100129 (or 100124 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 45.

Adding to 545323425444 its reverse (444524323545), we get a palindrome (989847748989).

The spelling of 545323425444 in words is "five hundred forty-five billion, three hundred twenty-three million, four hundred twenty-five thousand, four hundred forty-four".