545364223 has 4 divisors (see below), whose sum is σ = 555654168. Its totient is φ = 535074280.

The previous prime is 545364203. The next prime is 545364241. The reversal of 545364223 is 322463545.

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

It is a cyclic number.

It is not a de Polignac number, because 545364223 - 2²¹ = 543267071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545364203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5144893 + ... + 5144998.

It is an arithmetic number, because the mean of its divisors is an integer number (138913542).

Almost surely, 2^545364223 is an apocalyptic number.

545364223 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

545364223 is a deficient number, since it is larger than the sum of its proper divisors (10289945).

545364223 is a wasteful number, since it uses less digits than its factorization.

545364223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289944.

The product of its digits is 86400, while the sum is 34.

The square root of 545364223 is about 23353.0345565625. The cubic root of 545364223 is about 817.0128389611.

The spelling of 545364223 in words is "five hundred forty-five million, three hundred sixty-four thousand, two hundred twenty-three".