545630266 has 24 divisors (see below), whose sum is σ = 873251676. Its totient is φ = 255636480.

The previous prime is 545630263. The next prime is 545630269. The reversal of 545630266 is 662036545.

It is an interprime number because it is at equal distance from previous prime (545630263) and next prime (545630269).

It can be written as a sum of positive squares in 6 ways, for example, as 526014225 + 19616041 = 22935^2 + 4429^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (545630263) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 137340 + ... + 141256.

Almost surely, 2^545630266 is an apocalyptic number.

545630266 is a deficient number, since it is larger than the sum of its proper divisors (327621410).

545630266 is a wasteful number, since it uses less digits than its factorization.

545630266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 545630266 is about 23358.7299740375. The cubic root of 545630266 is about 817.1456708084.

The spelling of 545630266 in words is "five hundred forty-five million, six hundred thirty thousand, two hundred sixty-six".