45546217 has 4 divisors (see below), whose sum is σ = 45570960. Its totient is φ = 45521476.

The previous prime is 45546197. The next prime is 45546227. The reversal of 45546217 is 71264554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45546217 is a prime.

It is a super-2 number, since 2×45546217² = 4148915766022178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45546227) 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, 9367 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (11392740).

Almost surely, 2^45546217 is an apocalyptic number.

It is an amenable number.

45546217 is a deficient number, since it is larger than the sum of its proper divisors (24743).

45546217 is a wasteful number, since it uses less digits than its factorization.

45546217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742.

The product of its digits is 33600, while the sum is 34.

The square root of 45546217 is about 6748.7937440701. The cubic root of 45546217 is about 357.1226840491.

The spelling of 45546217 in words is "forty-five million, five hundred forty-six thousand, two hundred seventeen".