478543745 has 16 divisors (see below), whose sum is σ = 593602560. Its totient is φ = 369969600.

The previous prime is 478543733. The next prime is 478543771. The reversal of 478543745 is 547345874.

It is not a de Polignac number, because 478543745 - 2⁴ = 478543729 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478543745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139511 + ... + 142899.

It is an arithmetic number, because the mean of its divisors is an integer number (37100160).

Almost surely, 2^478543745 is an apocalyptic number.

It is an amenable number.

478543745 is a deficient number, since it is larger than the sum of its proper divisors (115058815).

478543745 is a wasteful number, since it uses less digits than its factorization.

478543745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336.

The product of its digits is 1881600, while the sum is 47.

The square root of 478543745 is about 21875.6427334147. The cubic root of 478543745 is about 782.1809142457.

The spelling of 478543745 in words is "four hundred seventy-eight million, five hundred forty-three thousand, seven hundred forty-five".