545203206045 has 256 divisors, whose sum is σ = 1054490296320. Its totient is φ = 266716800000.

The previous prime is 545203206013. The next prime is 545203206049. The reversal of 545203206045 is 540602302545.

545203206045 is a `hidden beast` number, since 5 + 4 + 5 + 20 + 3 + 20 + 604 + 5 = 666.

It is not a de Polignac number, because 545203206045 - 2⁵ = 545203206013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545203206049) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1110393250 + ... + 1110393740.

It is an arithmetic number, because the mean of its divisors is an integer number (4119102720).

Almost surely, 2^545203206045 is an apocalyptic number.

It is an amenable number.

545203206045 is a deficient number, since it is larger than the sum of its proper divisors (509287090275).

545203206045 is a wasteful number, since it uses less digits than its factorization.

545203206045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 545203206045 in words is "five hundred forty-five billion, two hundred three million, two hundred six thousand, forty-five".