478308945 has 16 divisors (see below), whose sum is σ = 805573440. Its totient is φ = 241671744.

The previous prime is 478308899. The next prime is 478308949. The reversal of 478308945 is 549803874.

It is not a de Polignac number, because 478308945 - 2⁶ = 478308881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 478308894 and 478308903.

It is not an unprimeable number, because it can be changed into a prime (478308949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838854 + ... + 839423.

It is an arithmetic number, because the mean of its divisors is an integer number (50348340).

Almost surely, 2^478308945 is an apocalyptic number.

It is an amenable number.

478308945 is a deficient number, since it is larger than the sum of its proper divisors (327264495).

478308945 is a wasteful number, since it uses less digits than its factorization.

478308945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678304.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 478308945 is about 21870.2753754954. The cubic root of 478308945 is about 782.0529662604.

The spelling of 478308945 in words is "four hundred seventy-eight million, three hundred eight thousand, nine hundred forty-five".