545323205 has 48 divisors (see below), whose sum is σ = 800553600. Its totient is φ = 355114368.

The previous prime is 545323189. The next prime is 545323243. The reversal of 545323205 is 502323545.

It is not a de Polignac number, because 545323205 - 2⁴ = 545323189 is a prime.

It is a super-2 number, since 2×545323205² = 594754795822944050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389096 + ... + 390494.

It is an arithmetic number, because the mean of its divisors is an integer number (16678200).

Almost surely, 2^545323205 is an apocalyptic number.

It is an amenable number.

545323205 is a deficient number, since it is larger than the sum of its proper divisors (255230395).

545323205 is a wasteful number, since it uses less digits than its factorization.

545323205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 545323205 is about 23352.1563244168. The cubic root of 545323205 is about 816.9923553580.

The spelling of 545323205 in words is "five hundred forty-five million, three hundred twenty-three thousand, two hundred five".