45438227 has 4 divisors (see below), whose sum is σ = 45501456. Its totient is φ = 45375000.

The previous prime is 45438223. The next prime is 45438233. The reversal of 45438227 is 72283454.

45438227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72283454 = 2 ⋅36141727.

It is a cyclic number.

It is not a de Polignac number, because 45438227 - 2² = 45438223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45438223) 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 3 ways as a sum of consecutive naturals, for example, 30524 + ... + 31977.

It is an arithmetic number, because the mean of its divisors is an integer number (11375364).

Almost surely, 2^45438227 is an apocalyptic number.

45438227 is a deficient number, since it is larger than the sum of its proper divisors (63229).

45438227 is an equidigital number, since it uses as much as digits as its factorization.

45438227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63228.

The product of its digits is 53760, while the sum is 35.

The square root of 45438227 is about 6740.7883070157. The cubic root of 45438227 is about 356.8402149359.

The spelling of 45438227 in words is "forty-five million, four hundred thirty-eight thousand, two hundred twenty-seven".