545043305206 has 4 divisors (see below), whose sum is σ = 817564957812. Its totient is φ = 272521652602.

The previous prime is 545043305179. The next prime is 545043305221. The reversal of 545043305206 is 602503340545.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136260826300 + ... + 136260826303.

It is an arithmetic number, because the mean of its divisors is an integer number (204391239453).

Almost surely, 2^545043305206 is an apocalyptic number.

545043305206 is a deficient number, since it is larger than the sum of its proper divisors (272521652606).

545043305206 is a wasteful number, since it uses less digits than its factorization.

545043305206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272521652605.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 545043305206 in words is "five hundred forty-five billion, forty-three million, three hundred five thousand, two hundred six".