285056542 has 8 divisors (see below), whose sum is σ = 431818632. Its totient is φ = 141117000.

The previous prime is 285056539. The next prime is 285056543. The reversal of 285056542 is 245650582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285056543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 705384 + ... + 705787.

It is an arithmetic number, because the mean of its divisors is an integer number (53977329).

Almost surely, 2^285056542 is an apocalyptic number.

285056542 is a deficient number, since it is larger than the sum of its proper divisors (146762090).

285056542 is a wasteful number, since it uses less digits than its factorization.

285056542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411274.

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 285056542 is about 16883.6175625960. The cubic root of 285056542 is about 658.1279534245.

The spelling of 285056542 in words is "two hundred eighty-five million, fifty-six thousand, five hundred forty-two".