285402245 has 16 divisors (see below), whose sum is σ = 348611520. Its totient is φ = 224256384.

The previous prime is 285402209. The next prime is 285402251. The reversal of 285402245 is 542204582.

It is a cyclic number.

It is not a de Polignac number, because 285402245 - 2⁶ = 285402181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135974 + ... + 138056.

It is an arithmetic number, because the mean of its divisors is an integer number (21788220).

Almost surely, 2^285402245 is an apocalyptic number.

It is an amenable number.

285402245 is a deficient number, since it is larger than the sum of its proper divisors (63209275).

285402245 is a wasteful number, since it uses less digits than its factorization.

285402245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 285402245 is about 16893.8522841891. The cubic root of 285402245 is about 658.3938946939.

The spelling of 285402245 in words is "two hundred eighty-five million, four hundred two thousand, two hundred forty-five".