4545678 has 16 divisors (see below), whose sum is σ = 9115776. Its totient is φ = 1511160.

The previous prime is 4545643. The next prime is 4545683. The reversal of 4545678 is 8765454.

4545678 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2175 + ... + 3717.

It is an arithmetic number, because the mean of its divisors is an integer number (569736).

Almost surely, 2^4545678 is an apocalyptic number.

4545678 is an abundant number, since it is smaller than the sum of its proper divisors (4570098).

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

4545678 is a wasteful number, since it uses less digits than its factorization.

4545678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039.

The product of its digits is 134400, while the sum is 39.

The square root of 4545678 is about 2132.0595676481. The cubic root of 4545678 is about 165.6530956491.

The spelling of 4545678 in words is "four million, five hundred forty-five thousand, six hundred seventy-eight".