478743345 has 16 divisors (see below), whose sum is σ = 851099520. Its totient is φ = 255329712.

The previous prime is 478743337. The next prime is 478743379. The reversal of 478743345 is 543347874.

It is not a de Polignac number, because 478743345 - 2³ = 478743337 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 478743345.

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, 1772989 + ... + 1773258.

It is an arithmetic number, because the mean of its divisors is an integer number (53193720).

Almost surely, 2^478743345 is an apocalyptic number.

478743345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478743345 is a deficient number, since it is larger than the sum of its proper divisors (372356175).

478743345 is a wasteful number, since it uses less digits than its factorization.

478743345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546261 (or 3546255 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 478743345 is about 21880.2044094656. The cubic root of 478743345 is about 782.2896480246.

The spelling of 478743345 in words is "four hundred seventy-eight million, seven hundred forty-three thousand, three hundred forty-five".