45332217 has 40 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 24375168.

The previous prime is 45332213. The next prime is 45332227. The reversal of 45332217 is 71223354.

It is not a de Polignac number, because 45332217 - 2² = 45332213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45332213) 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 39 ways as a sum of consecutive naturals, for example, 7288 + ... + 11990.

Almost surely, 2^45332217 is an apocalyptic number.

It is an amenable number.

45332217 is a deficient number, since it is larger than the sum of its proper divisors (36630279).

45332217 is a wasteful number, since it uses less digits than its factorization.

45332217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4730 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 45332217 is about 6732.9203916280. The cubic root of 45332217 is about 356.5624892508.

The spelling of 45332217 in words is "forty-five million, three hundred thirty-two thousand, two hundred seventeen".