4545078 has 8 divisors (see below), whose sum is σ = 9090168. Its totient is φ = 1515024.

The previous prime is 4545077. The next prime is 4545089. The reversal of 4545078 is 8705454.

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

4545078 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378751 + ... + 378762.

It is an arithmetic number, because the mean of its divisors is an integer number (1136271).

Almost surely, 2^4545078 is an apocalyptic number.

4545078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545078 is a wasteful number, since it uses less digits than its factorization.

4545078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757518.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 4545078 is about 2131.9188539905. The cubic root of 4545078 is about 165.6458069505.

The spelling of 4545078 in words is "four million, five hundred forty-five thousand, seventy-eight".