1568478245 has 8 divisors (see below), whose sum is σ = 1905999360. Its totient is φ = 1238898960.

The previous prime is 1568478229. The next prime is 1568478271. The reversal of 1568478245 is 5428748651.

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

It is not a de Polignac number, because 1568478245 - 2⁴ = 1568478229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1568478193 and 1568478202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985021 + ... + 1985810.

It is an arithmetic number, because the mean of its divisors is an integer number (238249920).

Almost surely, 2^1568478245 is an apocalyptic number.

It is an amenable number.

1568478245 is a deficient number, since it is larger than the sum of its proper divisors (337521115).

1568478245 is an equidigital number, since it uses as much as digits as its factorization.

1568478245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970915.

The product of its digits is 2150400, while the sum is 50.

The square root of 1568478245 is about 39604.0180411028. The cubic root of 1568478245 is about 1161.8752479179.

The spelling of 1568478245 in words is "one billion, five hundred sixty-eight million, four hundred seventy-eight thousand, two hundred forty-five".