478322145 has 128 divisors (see below), whose sum is σ = 1034035200. Its totient is φ = 205058304.

The previous prime is 478322137. The next prime is 478322177. The reversal of 478322145 is 541223874.

It is a happy number.

It is not a de Polignac number, because 478322145 - 2³ = 478322137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1282179 + ... + 1282551.

It is an arithmetic number, because the mean of its divisors is an integer number (8078400).

Almost surely, 2^478322145 is an apocalyptic number.

478322145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478322145 is an abundant number, since it is smaller than the sum of its proper divisors (555713055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478322145 is a wasteful number, since it uses less digits than its factorization.

478322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 478322145 is about 21870.5771528782. The cubic root of 478322145 is about 782.0601603584.

The spelling of 478322145 in words is "four hundred seventy-eight million, three hundred twenty-two thousand, one hundred forty-five".