45219066 has 8 divisors (see below), whose sum is σ = 90438144. Its totient is φ = 15073020.

The previous prime is 45219061. The next prime is 45219067. The reversal of 45219066 is 66091254.

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

45219066 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45219061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3768250 + ... + 3768261.

It is an arithmetic number, because the mean of its divisors is an integer number (11304768).

Almost surely, 2^45219066 is an apocalyptic number.

45219066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45219066 is a wasteful number, since it uses less digits than its factorization.

45219066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536516.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 45219066 is about 6724.5123243251. The cubic root of 45219066 is about 356.2655774044.

The spelling of 45219066 in words is "forty-five million, two hundred nineteen thousand, sixty-six".