285790345 has 8 divisors (see below), whose sum is σ = 345053376. Its totient is φ = 227228976.

The previous prime is 285790339. The next prime is 285790361. The reversal of 285790345 is 543097582.

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

It is a cyclic number.

It is not a de Polignac number, because 285790345 - 2⁵ = 285790313 is a prime.

It is a super-2 number, since 2×285790345² = 163352242590438050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174517 + ... + 176146.

It is an arithmetic number, because the mean of its divisors is an integer number (43131672).

Almost surely, 2^285790345 is an apocalyptic number.

It is an amenable number.

285790345 is a deficient number, since it is larger than the sum of its proper divisors (59263031).

285790345 is a wasteful number, since it uses less digits than its factorization.

285790345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350831.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 285790345 is about 16905.3348088702. The cubic root of 285790345 is about 658.6921952382.

The spelling of 285790345 in words is "two hundred eighty-five million, seven hundred ninety thousand, three hundred forty-five".