545143332 has 48 divisors (see below), whose sum is σ = 1331471232. Its totient is φ = 173268480.

The previous prime is 545143327. The next prime is 545143373. The reversal of 545143332 is 233341545.

It is a self number, because there is not a number n which added to its sum of digits gives 545143332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90082 + ... + 95942.

It is an arithmetic number, because the mean of its divisors is an integer number (27738984).

Almost surely, 2^545143332 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 545143332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665735616).

545143332 is an abundant number, since it is smaller than the sum of its proper divisors (786327900).

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

545143332 is a wasteful number, since it uses less digits than its factorization.

545143332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228 (or 6226 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 545143332 is about 23348.3046922041. The cubic root of 545143332 is about 816.9025180988.

Adding to 545143332 its reverse (233341545), we get a palindrome (778484877).

The spelling of 545143332 in words is "five hundred forty-five million, one hundred forty-three thousand, three hundred thirty-two".