545103445212 has 36 divisors (see below), whose sum is σ = 1379935740456. Its totient is φ = 181432748640.

The previous prime is 545103445207. The next prime is 545103445213. The reversal of 545103445212 is 212544301545.

545103445212 is a `hidden beast` number, since 54 + 51 + 0 + 34 + 4 + 521 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545103445213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11158614 + ... + 11207357.

It is an arithmetic number, because the mean of its divisors is an integer number (38331548346).

Almost surely, 2^545103445212 is an apocalyptic number.

It is an amenable number.

545103445212 is an abundant number, since it is smaller than the sum of its proper divisors (834832295244).

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

545103445212 is a wasteful number, since it uses less digits than its factorization.

545103445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22366658 (or 22366653 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 545103445212 its reverse (212544301545), we get a palindrome (757647746757).

The spelling of 545103445212 in words is "five hundred forty-five billion, one hundred three million, four hundred forty-five thousand, two hundred twelve".