545330345 has 32 divisors (see below), whose sum is σ = 783226368. Its totient is φ = 356387328.

The previous prime is 545330327. The next prime is 545330351. The reversal of 545330345 is 543033545.

It is a cyclic number.

It is not a de Polignac number, because 545330345 - 2²⁰ = 544281769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254117 + ... + 256253.

It is an arithmetic number, because the mean of its divisors is an integer number (24475824).

Almost surely, 2^545330345 is an apocalyptic number.

It is an amenable number.

545330345 is a deficient number, since it is larger than the sum of its proper divisors (237896023).

545330345 is a wasteful number, since it uses less digits than its factorization.

545330345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 545330345 is about 23352.3092005908. The cubic root of 545330345 is about 816.9959210110.

The spelling of 545330345 in words is "five hundred forty-five million, three hundred thirty thousand, three hundred forty-five".