266145343 has 2 divisors, whose sum is σ = 266145344. Its totient is φ = 266145342.

The previous prime is 266145337. The next prime is 266145367. The reversal of 266145343 is 343541662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266145343 - 2⁵ = 266145311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266145299 and 266145308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266145043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133072671 + 133072672.

It is an arithmetic number, because the mean of its divisors is an integer number (133072672).

Almost surely, 2^266145343 is an apocalyptic number.

266145343 is a deficient number, since it is larger than the sum of its proper divisors (1).

266145343 is an equidigital number, since it uses as much as digits as its factorization.

266145343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 266145343 is about 16313.9615973558. The cubic root of 266145343 is about 643.2398723857.

The spelling of 266145343 in words is "two hundred sixty-six million, one hundred forty-five thousand, three hundred forty-three".