285475970144 has 48 divisors (see below), whose sum is σ = 571833460800. Its totient is φ = 140262865920.

The previous prime is 285475970141. The next prime is 285475970161. The reversal of 285475970144 is 441079574582.

It is a self number, because there is not a number n which added to its sum of digits gives 285475970144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285475970141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407582 + ... + 858530.

It is an arithmetic number, because the mean of its divisors is an integer number (11913197100).

Almost surely, 2^285475970144 is an apocalyptic number.

It is an amenable number.

285475970144 is an abundant number, since it is smaller than the sum of its proper divisors (286357490656).

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

285475970144 is a wasteful number, since it uses less digits than its factorization.

285475970144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451303 (or 451295 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 285475970144 in words is "two hundred eighty-five billion, four hundred seventy-five million, nine hundred seventy thousand, one hundred forty-four".