545045271 has 8 divisors (see below), whose sum is σ = 731955840. Its totient is φ = 360749112.

The previous prime is 545045257. The next prime is 545045273. The reversal of 545045271 is 172540545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545045271 - 2⁵ = 545045239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545045273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653115 + ... + 653948.

It is an arithmetic number, because the mean of its divisors is an integer number (91494480).

Almost surely, 2^545045271 is an apocalyptic number.

545045271 is a deficient number, since it is larger than the sum of its proper divisors (186910569).

545045271 is a wasteful number, since it uses less digits than its factorization.

545045271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307205.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 545045271 is about 23346.2046380134. The cubic root of 545045271 is about 816.8535333781.

It can be divided in two parts, 5450 and 45271, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 545045271 in words is "five hundred forty-five million, forty-five thousand, two hundred seventy-one".