545143273 has 2 divisors, whose sum is σ = 545143274. Its totient is φ = 545143272.

The previous prime is 545143229. The next prime is 545143283. The reversal of 545143273 is 372341545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542330944 + 2812329 = 23288^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 545143273 - 2⁹ = 545142761 is a prime.

It is not a weakly prime, because it can be changed into another prime (545143283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272571636 + 272571637.

It is an arithmetic number, because the mean of its divisors is an integer number (272571637).

Almost surely, 2^545143273 is an apocalyptic number.

It is an amenable number.

545143273 is a deficient number, since it is larger than the sum of its proper divisors (1).

545143273 is an equidigital number, since it uses as much as digits as its factorization.

545143273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 34.

The square root of 545143273 is about 23348.3034287290. The cubic root of 545143273 is about 816.9024886281.

The spelling of 545143273 in words is "five hundred forty-five million, one hundred forty-three thousand, two hundred seventy-three".