45147227 has 2 divisors, whose sum is σ = 45147228. Its totient is φ = 45147226.

The previous prime is 45147217. The next prime is 45147233. The reversal of 45147227 is 72274154.

45147227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45147227 - 2⁸ = 45146971 is a prime.

It is equal to p_2726564 and since 45147227 and 2726564 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 45147193 and 45147202.

It is not a weakly prime, because it can be changed into another prime (45147217) 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 as a sum of consecutive naturals, namely, 22573613 + 22573614.

It is an arithmetic number, because the mean of its divisors is an integer number (22573614).

Almost surely, 2^45147227 is an apocalyptic number.

45147227 is a deficient number, since it is larger than the sum of its proper divisors (1).

45147227 is an equidigital number, since it uses as much as digits as its factorization.

45147227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 32.

The square root of 45147227 is about 6719.1686241677. The cubic root of 45147227 is about 356.0768124242.

The spelling of 45147227 in words is "forty-five million, one hundred forty-seven thousand, two hundred twenty-seven".