285774563445 has 16 divisors (see below), whose sum is σ = 522559201920. Its totient is φ = 130639800384.

The previous prime is 285774563441. The next prime is 285774563447. The reversal of 285774563445 is 544365477582.

It is not a de Polignac number, because 285774563445 - 2² = 285774563441 is a prime.

It is a super-2 number, since 2×285774563445² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285774563441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360831150 + ... + 1360831359.

It is an arithmetic number, because the mean of its divisors is an integer number (32659950120).

Almost surely, 2^285774563445 is an apocalyptic number.

It is an amenable number.

285774563445 is a deficient number, since it is larger than the sum of its proper divisors (236784638475).

285774563445 is a wasteful number, since it uses less digits than its factorization.

285774563445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721662524.

The product of its digits is 112896000, while the sum is 60.

The spelling of 285774563445 in words is "two hundred eighty-five billion, seven hundred seventy-four million, five hundred sixty-three thousand, four hundred forty-five".