545223143513 has 4 divisors (see below), whose sum is σ = 545659672500. Its totient is φ = 544786614528.

The previous prime is 545223143501. The next prime is 545223143539. The reversal of 545223143513 is 315341322545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 409897013824 + 135326129689 = 640232^2 + 367867^2 .

It is a cyclic number.

It is not a de Polignac number, because 545223143513 - 2¹⁴ = 545223127129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545223143713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218262620 + ... + 218265117.

It is an arithmetic number, because the mean of its divisors is an integer number (136414918125).

Almost surely, 2^545223143513 is an apocalyptic number.

It is an amenable number.

545223143513 is a deficient number, since it is larger than the sum of its proper divisors (436528987).

545223143513 is a wasteful number, since it uses less digits than its factorization.

545223143513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436528986.

The product of its digits is 216000, while the sum is 38.

The spelling of 545223143513 in words is "five hundred forty-five billion, two hundred twenty-three million, one hundred forty-three thousand, five hundred thirteen".