45394478 has 8 divisors (see below), whose sum is σ = 70288320. Its totient is φ = 21965040.

The previous prime is 45394463. The next prime is 45394507. The reversal of 45394478 is 87449354.

45394478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 366023 + ... + 366146.

It is an arithmetic number, because the mean of its divisors is an integer number (8786040).

Almost surely, 2^45394478 is an apocalyptic number.

45394478 is a deficient number, since it is larger than the sum of its proper divisors (24893842).

45394478 is a wasteful number, since it uses less digits than its factorization.

45394478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732202.

The product of its digits is 483840, while the sum is 44.

The square root of 45394478 is about 6737.5424302931. The cubic root of 45394478 is about 356.7256534266.

The spelling of 45394478 in words is "forty-five million, three hundred ninety-four thousand, four hundred seventy-eight".