266000145 has 16 divisors (see below), whose sum is σ = 426703680. Its totient is φ = 141498944.

The previous prime is 266000099. The next prime is 266000167. The reversal of 266000145 is 541000662.

It is a cyclic number.

It is not a de Polignac number, because 266000145 - 2⁷ = 266000017 is a prime.

It is a super-3 number, since 3×266000145³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16959 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (26668980).

Almost surely, 2^266000145 is an apocalyptic number.

It is an amenable number.

266000145 is a deficient number, since it is larger than the sum of its proper divisors (160703535).

266000145 is a wasteful number, since it uses less digits than its factorization.

266000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45984.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 266000145 is about 16309.5108755597. The cubic root of 266000145 is about 643.1228759961.

The spelling of 266000145 in words is "two hundred sixty-six million, one hundred forty-five", and thus it is an aban number.