478181345 has 8 divisors (see below), whose sum is σ = 582382464. Its totient is φ = 376835184.

The previous prime is 478181329. The next prime is 478181357. The reversal of 478181345 is 543181874.

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 478181345 - 2⁴ = 478181329 is a prime.

It is a Duffinian number.

It is a Curzon 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, 713369 + ... + 714038.

It is an arithmetic number, because the mean of its divisors is an integer number (72797808).

Almost surely, 2^478181345 is an apocalyptic number.

It is an amenable number.

478181345 is a deficient number, since it is larger than the sum of its proper divisors (104201119).

478181345 is a wasteful number, since it uses less digits than its factorization.

478181345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427479.

The product of its digits is 107520, while the sum is 41.

The square root of 478181345 is about 21867.3579794176. The cubic root of 478181345 is about 781.9834164889.

The spelling of 478181345 in words is "four hundred seventy-eight million, one hundred eighty-one thousand, three hundred forty-five".