853271144 has 32 divisors (see below), whose sum is σ = 1753194240. Its totient is φ = 386102400.

The previous prime is 853271137. The next prime is 853271203. The reversal of 853271144 is 441172358.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117 + ... + 41364.

It is an arithmetic number, because the mean of its divisors is an integer number (54787320).

Almost surely, 2^853271144 is an apocalyptic number.

It is an amenable number.

853271144 is an abundant number, since it is smaller than the sum of its proper divisors (899923096).

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

853271144 is a wasteful number, since it uses less digits than its factorization.

853271144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43721 (or 43717 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 853271144 is about 29210.8052610674. The cubic root of 853271144 is about 948.4818388851.

The spelling of 853271144 in words is "eight hundred fifty-three million, two hundred seventy-one thousand, one hundred forty-four".