45118247 has 2 divisors, whose sum is σ = 45118248. Its totient is φ = 45118246.

The previous prime is 45118231. The next prime is 45118253. The reversal of 45118247 is 74281154.

It is a happy number.

45118247 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 45118247 - 2⁴ = 45118231 is a prime.

It is equal to p_2724926 and since 45118247 and 2724926 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45118277) 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, 22559123 + 22559124.

It is an arithmetic number, because the mean of its divisors is an integer number (22559124).

Almost surely, 2^45118247 is an apocalyptic number.

45118247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45118247 is an equidigital number, since it uses as much as digits as its factorization.

45118247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 32.

The square root of 45118247 is about 6717.0117611926. The cubic root of 45118247 is about 356.0006075611. Note that the first 3 decimals are identical.

The spelling of 45118247 in words is "forty-five million, one hundred eighteen thousand, two hundred forty-seven".