45418217 has 8 divisors (see below), whose sum is σ = 48969480. Its totient is φ = 41875200.

The previous prime is 45418211. The next prime is 45418249. The reversal of 45418217 is 71281454.

It is a happy number.

45418217 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 4 ways, for example, as 44521 + 45373696 = 211^2 + 6736^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45418217 - 2¹⁴ = 45401833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45418211) 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 7 ways as a sum of consecutive naturals, for example, 14159 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (6121185).

Almost surely, 2^45418217 is an apocalyptic number.

It is an amenable number.

45418217 is a deficient number, since it is larger than the sum of its proper divisors (3551263).

45418217 is a wasteful number, since it uses less digits than its factorization.

45418217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its digits is 8960, while the sum is 32.

The square root of 45418217 is about 6739.3038958041. The cubic root of 45418217 is about 356.7878257064.

The spelling of 45418217 in words is "forty-five million, four hundred eighteen thousand, two hundred seventeen".