266030045 has 4 divisors (see below), whose sum is σ = 319236060. Its totient is φ = 212824032.

The previous prime is 266030041. The next prime is 266030047. The reversal of 266030045 is 540030662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52461049 + 213568996 = 7243^2 + 14614^2 .

It is a cyclic number.

It is not a de Polignac number, because 266030045 - 2² = 266030041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266029996 and 266030023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266030041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26603000 + ... + 26603009.

It is an arithmetic number, because the mean of its divisors is an integer number (79809015).

Almost surely, 2^266030045 is an apocalyptic number.

It is an amenable number.

266030045 is a deficient number, since it is larger than the sum of its proper divisors (53206015).

266030045 is an equidigital number, since it uses as much as digits as its factorization.

266030045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53206014.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 266030045 is about 16310.4274928648. The cubic root of 266030045 is about 643.1469720400.

The spelling of 266030045 in words is "two hundred sixty-six million, thirty thousand, forty-five".