45393447 has 16 divisors (see below), whose sum is σ = 66826368. Its totient is φ = 27178080.

The previous prime is 45393427. The next prime is 45393461. The reversal of 45393447 is 74439354.

45393447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45393447 - 2¹⁰ = 45392423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45393427) 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 in 15 ways as a sum of consecutive naturals, for example, 5548 + ... + 11025.

It is an arithmetic number, because the mean of its divisors is an integer number (4176648).

Almost surely, 2^45393447 is an apocalyptic number.

45393447 is a deficient number, since it is larger than the sum of its proper divisors (21432921).

45393447 is a wasteful number, since it uses less digits than its factorization.

45393447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670.

The product of its digits is 181440, while the sum is 39.

The square root of 45393447 is about 6737.4659182811. The cubic root of 45393447 is about 356.7229527536.

The spelling of 45393447 in words is "forty-five million, three hundred ninety-three thousand, four hundred forty-seven".