45043866 has 48 divisors (see below), whose sum is σ = 111945600. Its totient is φ = 12822624.

The previous prime is 45043807. The next prime is 45043877. The reversal of 45043866 is 66834054.

45043866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45043866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48555 + ... + 49473.

It is an arithmetic number, because the mean of its divisors is an integer number (2332200).

Almost surely, 2^45043866 is an apocalyptic number.

45043866 is an abundant number, since it is smaller than the sum of its proper divisors (66901734).

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

45043866 is a wasteful number, since it uses less digits than its factorization.

45043866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1320 counting only the distinct ones).

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

The square root of 45043866 is about 6711.4727146879. The cubic root of 45043866 is about 355.8048682348.

The spelling of 45043866 in words is "forty-five million, forty-three thousand, eight hundred sixty-six".