45448217 has 4 divisors (see below), whose sum is σ = 45676800. Its totient is φ = 45219636.

The previous prime is 45448187. The next prime is 45448237. The reversal of 45448217 is 71284454.

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 not a de Polignac number, because 45448217 - 2⁶ = 45448153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45448237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113993 + ... + 114390.

It is an arithmetic number, because the mean of its divisors is an integer number (11419200).

Almost surely, 2^45448217 is an apocalyptic number.

It is an amenable number.

45448217 is a deficient number, since it is larger than the sum of its proper divisors (228583).

45448217 is a wasteful number, since it uses less digits than its factorization.

45448217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228582.

The product of its digits is 35840, while the sum is 35.

The square root of 45448217 is about 6741.5292775453. The cubic root of 45448217 is about 356.8663645223.

The spelling of 45448217 in words is "forty-five million, four hundred forty-eight thousand, two hundred seventeen".