545412224 has 128 divisors (see below), whose sum is σ = 1338664320. Its totient is φ = 216023040.

The previous prime is 545412211. The next prime is 545412229. The reversal of 545412224 is 422214545.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (545412229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928859 + ... + 929445.

It is an arithmetic number, because the mean of its divisors is an integer number (10458315).

Almost surely, 2^545412224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545412224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669332160).

545412224 is an abundant number, since it is smaller than the sum of its proper divisors (793252096).

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

545412224 is a wasteful number, since it uses less digits than its factorization.

545412224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 545412224 is about 23354.0622590589. The cubic root of 545412224 is about 817.0368084364.

Adding to 545412224 its reverse (422214545), we get a palindrome (967626769).

It can be divided in two parts, 54541 and 2224, that added together give a palindrome (56765).

The spelling of 545412224 in words is "five hundred forty-five million, four hundred twelve thousand, two hundred twenty-four".