285743145996 has 72 divisors (see below), whose sum is σ = 900523862784. Its totient is φ = 74218998240.

The previous prime is 285743145949. The next prime is 285743146019. The reversal of 285743145996 is 699541347582.

285743145996 is a `hidden beast` number, since 2 + 8 + 5 + 7 + 4 + 31 + 4 + 599 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51538200 + ... + 51543743.

It is an arithmetic number, because the mean of its divisors is an integer number (12507275872).

Almost surely, 2^285743145996 is an apocalyptic number.

It is an amenable number.

285743145996 is an abundant number, since it is smaller than the sum of its proper divisors (614780716788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285743145996 is a wasteful number, since it uses less digits than its factorization.

285743145996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103081971 (or 103081966 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 285743145996 in words is "two hundred eighty-five billion, seven hundred forty-three million, one hundred forty-five thousand, nine hundred ninety-six".