45280066 has 8 divisors (see below), whose sum is σ = 73144764. Its totient is φ = 20898480.

The previous prime is 45280063. The next prime is 45280091. The reversal of 45280066 is 66008254.

45280066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45279441 + 625 = 6729^2 + 25^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45280063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 870745 + ... + 870796.

Almost surely, 2^45280066 is an apocalyptic number.

45280066 is a deficient number, since it is larger than the sum of its proper divisors (27864698).

45280066 is a wasteful number, since it uses less digits than its factorization.

45280066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741556.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 45280066 is about 6729.0464406185. The cubic root of 45280066 is about 356.4257048116.

The spelling of 45280066 in words is "forty-five million, two hundred eighty thousand, sixty-six".