478510146 has 32 divisors (see below), whose sum is σ = 1064145600. Its totient is φ = 159384960.

The previous prime is 478510133. The next prime is 478510157. The reversal of 478510146 is 641015874.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 478510146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99661 + ... + 104351.

It is an arithmetic number, because the mean of its divisors is an integer number (33254550).

Almost surely, 2^478510146 is an apocalyptic number.

478510146 is an abundant number, since it is smaller than the sum of its proper divisors (585635454).

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

478510146 is a wasteful number, since it uses less digits than its factorization.

478510146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 478510146 is about 21874.8747653558. The cubic root of 478510146 is about 782.1626079349.

The spelling of 478510146 in words is "four hundred seventy-eight million, five hundred ten thousand, one hundred forty-six".