545353193 has 16 divisors (see below), whose sum is σ = 693801600. Its totient is φ = 424947600.

The previous prime is 545353189. The next prime is 545353223. The reversal of 545353193 is 391353545.

It is not a de Polignac number, because 545353193 - 2² = 545353189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545353153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68498 + ... + 76043.

It is an arithmetic number, because the mean of its divisors is an integer number (43362600).

Almost surely, 2^545353193 is an apocalyptic number.

It is an amenable number.

545353193 is a deficient number, since it is larger than the sum of its proper divisors (148448407).

545353193 is a wasteful number, since it uses less digits than its factorization.

545353193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144573 (or 144559 counting only the distinct ones).

The product of its digits is 121500, while the sum is 38.

The square root of 545353193 is about 23352.7983976225. The cubic root of 545353193 is about 817.0073308915.

The spelling of 545353193 in words is "five hundred forty-five million, three hundred fifty-three thousand, one hundred ninety-three".