478393245 has 48 divisors (see below), whose sum is σ = 914846400. Its totient is φ = 229320960.

The previous prime is 478393241. The next prime is 478393247. The reversal of 478393245 is 542393874.

It is not a de Polignac number, because 478393245 - 2² = 478393241 is a prime.

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 478393245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478393241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38626 + ... + 49484.

It is an arithmetic number, because the mean of its divisors is an integer number (19059300).

Almost surely, 2^478393245 is an apocalyptic number.

478393245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478393245 is a deficient number, since it is larger than the sum of its proper divisors (436453155).

478393245 is a wasteful number, since it uses less digits than its factorization.

478393245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970 (or 10967 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 478393245 is about 21872.2025639852. The cubic root of 478393245 is about 782.0989081097.

The spelling of 478393245 in words is "four hundred seventy-eight million, three hundred ninety-three thousand, two hundred forty-five".