4556545478 has 8 divisors (see below), whose sum is σ = 7055296320. Its totient is φ = 2204780040.

The previous prime is 4556545471. The next prime is 4556545481. The reversal of 4556545478 is 8745456554.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556545471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36746273 + ... + 36746396.

It is an arithmetic number, because the mean of its divisors is an integer number (881912040).

Almost surely, 2^4556545478 is an apocalyptic number.

4556545478 is a deficient number, since it is larger than the sum of its proper divisors (2498750842).

4556545478 is a wasteful number, since it uses less digits than its factorization.

4556545478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73492702.

The product of its digits is 13440000, while the sum is 53.

The square root of 4556545478 is about 67502.1886904417. The cubic root of 4556545478 is about 1657.8500106591.

The spelling of 4556545478 in words is "four billion, five hundred fifty-six million, five hundred forty-five thousand, four hundred seventy-eight".