855143330 has 16 divisors (see below), whose sum is σ = 1543700160. Its totient is φ = 341070192.

The previous prime is 855143309. The next prime is 855143347. The reversal of 855143330 is 33341558.

It is a super-2 number, since 2×855143330² = 1462540229686977800, which contains 22 as substring.

It is a Curzon number.

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, 119750 + ... + 126689.

It is an arithmetic number, because the mean of its divisors is an integer number (96481260).

Almost surely, 2^855143330 is an apocalyptic number.

855143330 is a deficient number, since it is larger than the sum of its proper divisors (688556830).

855143330 is a wasteful number, since it uses less digits than its factorization.

855143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246793.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 855143330 is about 29242.8338230070. The cubic root of 855143330 is about 949.1750289627.

Adding to 855143330 its reverse (33341558), we get a palindrome (888484888).

It can be divided in two parts, 85 and 5143330, that added together give a palindrome (5143415).

The spelling of 855143330 in words is "eight hundred fifty-five million, one hundred forty-three thousand, three hundred thirty".