45387047 has 2 divisors, whose sum is σ = 45387048. Its totient is φ = 45387046.

The previous prime is 45387037. The next prime is 45387079. The reversal of 45387047 is 74078354.

45387047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45387047 - 2⁴ = 45387031 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45387047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45387037) 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, 22693523 + 22693524.

It is an arithmetic number, because the mean of its divisors is an integer number (22693524).

Almost surely, 2^45387047 is an apocalyptic number.

45387047 is a deficient number, since it is larger than the sum of its proper divisors (1).

45387047 is an equidigital number, since it uses as much as digits as its factorization.

45387047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 45387047 is about 6736.9909455186. The cubic root of 45387047 is about 356.7061872338.

The spelling of 45387047 in words is "forty-five million, three hundred eighty-seven thousand, forty-seven".