266245146 has 24 divisors (see below), whose sum is σ = 578620224. Its totient is φ = 88478280.

The previous prime is 266245141. The next prime is 266245181. The reversal of 266245146 is 641542662.

266245146 is a `hidden beast` number, since 26 + 624 + 5 + 1 + 4 + 6 = 666.

It is a super-2 number, since 2×266245146² = 141772955537122632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266245146.

It is not an unprimeable number, because it can be changed into a prime (266245141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16386 + ... + 28301.

It is an arithmetic number, because the mean of its divisors is an integer number (24109176).

Almost surely, 2^266245146 is an apocalyptic number.

266245146 is an abundant number, since it is smaller than the sum of its proper divisors (312375078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266245146 is a wasteful number, since it uses less digits than its factorization.

266245146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45026 (or 45023 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 266245146 is about 16317.0201323649. The cubic root of 266245146 is about 643.3202661101.

The spelling of 266245146 in words is "two hundred sixty-six million, two hundred forty-five thousand, one hundred forty-six".