545143300 has 54 divisors (see below), whose sum is σ = 1280997438. Its totient is φ = 201277440.

The previous prime is 545143283. The next prime is 545143321. The reversal of 545143300 is 3341545.

It can be written as a sum of positive squares in 9 ways, for example, as 410629696 + 134513604 = 20264^2 + 11598^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 772 + ... + 33028.

Almost surely, 2^545143300 is an apocalyptic number.

545143300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545143300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640498719).

545143300 is an abundant number, since it is smaller than the sum of its proper divisors (735854138).

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

545143300 is a wasteful number, since it uses less digits than its factorization.

545143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32297 (or 32277 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 545143300 is about 23348.3040069295. The cubic root of 545143300 is about 816.9025021147.

Adding to 545143300 its reverse (3341545), we get a palindrome (548484845).

The spelling of 545143300 in words is "five hundred forty-five million, one hundred forty-three thousand, three hundred".