285123054 has 16 divisors (see below), whose sum is σ = 570429648. Its totient is φ = 95010432.

The previous prime is 285123049. The next prime is 285123071. The reversal of 285123054 is 450321582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20544 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (35651853).

Almost surely, 2^285123054 is an apocalyptic number.

285123054 is an abundant number, since it is smaller than the sum of its proper divisors (285306594).

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

285123054 is a wasteful number, since it uses less digits than its factorization.

285123054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 285123054 is about 16885.5871677594. The cubic root of 285123054 is about 658.1791362554.

The spelling of 285123054 in words is "two hundred eighty-five million, one hundred twenty-three thousand, fifty-four".