505078146 has 16 divisors (see below), whose sum is σ = 1122396000. Its totient is φ = 168359364.

The previous prime is 505078117. The next prime is 505078151. The reversal of 505078146 is 641870505.

505078146 is a `hidden beast` number, since 5 + 0 + 507 + 8 + 146 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 505078146.

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 7 ways as a sum of consecutive naturals, for example, 4676596 + ... + 4676703.

It is an arithmetic number, because the mean of its divisors is an integer number (70149750).

Almost surely, 2^505078146 is an apocalyptic number.

505078146 is an abundant number, since it is smaller than the sum of its proper divisors (617317854).

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

505078146 is a wasteful number, since it uses less digits than its factorization.

505078146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353310 (or 9353304 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 505078146 is about 22473.9437126642. The cubic root of 505078146 is about 796.3784983536.

It can be divided in two parts, 50507 and 8146, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 505078146 in words is "five hundred five million, seventy-eight thousand, one hundred forty-six".