285144245 has 8 divisors (see below), whose sum is σ = 342266784. Its totient is φ = 228052944.

The previous prime is 285144221. The next prime is 285144257. The reversal of 285144245 is 542441582.

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 285144245 - 2¹⁴ = 285127861 is a prime.

It is a Duffinian number.

It is a congruent 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, 24242 + ... + 34028.

It is an arithmetic number, because the mean of its divisors is an integer number (42783348).

Almost surely, 2^285144245 is an apocalyptic number.

It is an amenable number.

285144245 is a deficient number, since it is larger than the sum of its proper divisors (57122539).

285144245 is an equidigital number, since it uses as much as digits as its factorization.

285144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619.

The product of its digits is 51200, while the sum is 35.

The square root of 285144245 is about 16886.2146439041. The cubic root of 285144245 is about 658.1954416463.

The spelling of 285144245 in words is "two hundred eighty-five million, one hundred forty-four thousand, two hundred forty-five".