8478045 has 12 divisors (see below), whose sum is σ = 14695356. Its totient is φ = 4521600.

The previous prime is 8478037. The next prime is 8478049. The reversal of 8478045 is 5408748.

8478045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 7080921 = 1182^2 + 2661^2 .

It is not a de Polignac number, because 8478045 - 2³ = 8478037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94156 + ... + 94245.

It is an arithmetic number, because the mean of its divisors is an integer number (1224613).

Almost surely, 2^8478045 is an apocalyptic number.

It is an amenable number.

8478045 is a deficient number, since it is larger than the sum of its proper divisors (6217311).

8478045 is a wasteful number, since it uses less digits than its factorization.

8478045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188412 (or 188409 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 8478045 is about 2911.7082614850. The cubic root of 8478045 is about 203.9068923439.

The spelling of 8478045 in words is "eight million, four hundred seventy-eight thousand, forty-five".