285441135 has 32 divisors (see below), whose sum is σ = 552655872. Its totient is φ = 122810880.

The previous prime is 285441131. The next prime is 285441137. The reversal of 285441135 is 531144582.

It is not a de Polignac number, because 285441135 - 2² = 285441131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285441096 and 285441105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285441131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78171 + ... + 81740.

It is an arithmetic number, because the mean of its divisors is an integer number (17270496).

Almost surely, 2^285441135 is an apocalyptic number.

285441135 is a deficient number, since it is larger than the sum of its proper divisors (267214737).

285441135 is a wasteful number, since it uses less digits than its factorization.

285441135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159943.

The product of its digits is 19200, while the sum is 33.

The square root of 285441135 is about 16895.0032554007. The cubic root of 285441135 is about 658.4237984247.

The spelling of 285441135 in words is "two hundred eighty-five million, four hundred forty-one thousand, one hundred thirty-five".