854885144 has 8 divisors (see below), whose sum is σ = 1602909660. Its totient is φ = 427442568.

The previous prime is 854885089. The next prime is 854885179. The reversal of 854885144 is 441588458.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53430314 + ... + 53430329.

Almost surely, 2^854885144 is an apocalyptic number.

It is an amenable number.

854885144 is a deficient number, since it is larger than the sum of its proper divisors (748024516).

854885144 is a wasteful number, since it uses less digits than its factorization.

854885144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106860649 (or 106860645 counting only the distinct ones).

The product of its digits is 819200, while the sum is 47.

The square root of 854885144 is about 29238.4189723042. The cubic root of 854885144 is about 949.0794939559.

The spelling of 854885144 in words is "eight hundred fifty-four million, eight hundred eighty-five thousand, one hundred forty-four".