45918227 has 2 divisors, whose sum is σ = 45918228. Its totient is φ = 45918226.

The previous prime is 45918209. The next prime is 45918239. The reversal of 45918227 is 72281954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45918227 - 2¹⁶ = 45852691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45918287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22959113 + 22959114.

It is an arithmetic number, because the mean of its divisors is an integer number (22959114).

Almost surely, 2^45918227 is an apocalyptic number.

45918227 is a deficient number, since it is larger than the sum of its proper divisors (1).

45918227 is an equidigital number, since it uses as much as digits as its factorization.

45918227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 45918227 is about 6776.2989160751. The cubic root of 45918227 is about 358.0923448098.

The spelling of 45918227 in words is "forty-five million, nine hundred eighteen thousand, two hundred twenty-seven".