45643266 has 24 divisors (see below), whose sum is σ = 104711724. Its totient is φ = 14319360.

The previous prime is 45643261. The next prime is 45643307. The reversal of 45643266 is 66234654.

45643266 is a `hidden beast` number, since 4 + 5 + 643 + 2 + 6 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39955041 + 5688225 = 6321^2 + 2385^2 .

It is a super-2 number, since 2×45643266² = 4166615462293512, 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 45643266.

It is not an unprimeable number, because it can be changed into a prime (45643261) 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, 74275 + ... + 74886.

Almost surely, 2^45643266 is an apocalyptic number.

45643266 is an abundant number, since it is smaller than the sum of its proper divisors (59068458).

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

45643266 is a wasteful number, since it uses less digits than its factorization.

45643266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149186 (or 149183 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 45643266 is about 6755.9800177324. The cubic root of 45643266 is about 357.3761541451.

The spelling of 45643266 in words is "forty-five million, six hundred forty-three thousand, two hundred sixty-six".