143228808 has 48 divisors (see below), whose sum is σ = 410733180. Its totient is φ = 44934144.

The previous prime is 143228777. The next prime is 143228837. The reversal of 143228808 is 808822341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140138244 + 3090564 = 11838^2 + 1758^2 .

It is a super-2 number, since 2×143228808² = 41028982882201728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 11 ways as a sum of consecutive naturals, for example, 57285 + ... + 59732.

Almost surely, 2^143228808 is an apocalyptic number.

143228808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143228808 is an abundant number, since it is smaller than the sum of its proper divisors (267504372).

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

143228808 is a wasteful number, since it uses less digits than its factorization.

143228808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117046 (or 117039 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 143228808 is about 11967.8238623402. The cubic root of 143228808 is about 523.2109114522.

The spelling of 143228808 in words is "one hundred forty-three million, two hundred twenty-eight thousand, eight hundred eight".