545342223 has 16 divisors (see below), whose sum is σ = 747584640. Its totient is φ = 353352096.

The previous prime is 545342221. The next prime is 545342227. The reversal of 545342223 is 322243545.

It is not a de Polignac number, because 545342223 - 2¹ = 545342221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545342221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129688 + ... + 133826.

It is an arithmetic number, because the mean of its divisors is an integer number (46724040).

Almost surely, 2^545342223 is an apocalyptic number.

545342223 is a deficient number, since it is larger than the sum of its proper divisors (202242417).

545342223 is a wasteful number, since it uses less digits than its factorization.

545342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366.

The product of its digits is 28800, while the sum is 30.

The square root of 545342223 is about 23352.5635209499. The cubic root of 545342223 is about 817.0018527105.

Adding to 545342223 its reverse (322243545), we get a palindrome (867585768).

The spelling of 545342223 in words is "five hundred forty-five million, three hundred forty-two thousand, two hundred twenty-three".