543445012 has 24 divisors (see below), whose sum is σ = 1082596032. Its totient is φ = 236280000.

The previous prime is 543445003. The next prime is 543445013. The reversal of 543445012 is 210544345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543445013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267489 + ... + 269512.

It is an arithmetic number, because the mean of its divisors is an integer number (45108168).

Almost surely, 2^543445012 is an apocalyptic number.

It is an amenable number.

543445012 is a deficient number, since it is larger than the sum of its proper divisors (539151020).

543445012 is a wasteful number, since it uses less digits than its factorization.

543445012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537039 (or 537037 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 543445012 is about 23311.9070862939. The cubic root of 543445012 is about 816.0533193565.

Adding to 543445012 its reverse (210544345), we get a palindrome (753989357).

The spelling of 543445012 in words is "five hundred forty-three million, four hundred forty-five thousand, twelve".