45271147 has 2 divisors, whose sum is σ = 45271148. Its totient is φ = 45271146.

The previous prime is 45271139. The next prime is 45271151. The reversal of 45271147 is 74117254.

45271147 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 45271147 - 2³ = 45271139 is a prime.

It is equal to p_2733592 and since 45271147 and 2733592 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45271747) 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, 22635573 + 22635574.

It is an arithmetic number, because the mean of its divisors is an integer number (22635574).

Almost surely, 2^45271147 is an apocalyptic number.

45271147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45271147 is an equidigital number, since it uses as much as digits as its factorization.

45271147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 45271147 is about 6728.3836840656. The cubic root of 45271147 is about 356.4023010647.

The spelling of 45271147 in words is "forty-five million, two hundred seventy-one thousand, one hundred forty-seven".