285860145756 has 24 divisors (see below), whose sum is σ = 676401473664. Its totient is φ = 93944648560.

The previous prime is 285860145749. The next prime is 285860145761. The reversal of 285860145756 is 657541068582.

It is a junction number, because it is equal to n+sod(n) for n = 285860145696 and 285860145705.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 167757450 + ... + 167759153.

It is an arithmetic number, because the mean of its divisors is an integer number (28183394736).

Almost surely, 2^285860145756 is an apocalyptic number.

It is an amenable number.

285860145756 is an abundant number, since it is smaller than the sum of its proper divisors (390541327908).

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

285860145756 is a wasteful number, since it uses less digits than its factorization.

285860145756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335516681 (or 335516679 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 285860145756 in words is "two hundred eighty-five billion, eight hundred sixty million, one hundred forty-five thousand, seven hundred fifty-six".