545223030 has 64 divisors (see below), whose sum is σ = 1457906688. Its totient is φ = 129359360.

The previous prime is 545223023. The next prime is 545223067. The reversal of 545223030 is 30322545.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2067 + ... + 33086.

It is an arithmetic number, because the mean of its divisors is an integer number (22779792).

Almost surely, 2^545223030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545223030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728953344).

545223030 is an abundant number, since it is smaller than the sum of its proper divisors (912683658).

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

545223030 is a wasteful number, since it uses less digits than its factorization.

545223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35221.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 545223030 is about 23350.0113490336. The cubic root of 545223030 is about 816.9423255651.

Adding to 545223030 its reverse (30322545), we get a palindrome (575545575).

It can be divided in two parts, 5452 and 23030, that added together give a palindrome (28482).

The spelling of 545223030 in words is "five hundred forty-five million, two hundred twenty-three thousand, thirty".