478143345 has 8 divisors (see below), whose sum is σ = 765029376. Its totient is φ = 255009776.

The previous prime is 478143317. The next prime is 478143373. The reversal of 478143345 is 543341874.

It is an interprime number because it is at equal distance from previous prime (478143317) and next prime (478143373).

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

It is a cyclic number.

It is not a de Polignac number, because 478143345 - 2⁷ = 478143217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15938097 + ... + 15938126.

It is an arithmetic number, because the mean of its divisors is an integer number (95628672).

Almost surely, 2^478143345 is an apocalyptic number.

It is an amenable number.

478143345 is a deficient number, since it is larger than the sum of its proper divisors (286886031).

478143345 is a wasteful number, since it uses less digits than its factorization.

478143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31876231.

The product of its digits is 161280, while the sum is 39.

The square root of 478143345 is about 21866.4890871854. The cubic root of 478143345 is about 781.9627017835.

The spelling of 478143345 in words is "four hundred seventy-eight million, one hundred forty-three thousand, three hundred forty-five".