143986228 has 12 divisors (see below), whose sum is σ = 252362880. Its totient is φ = 71882552.

The previous prime is 143986223. The next prime is 143986253. The reversal of 143986228 is 822689341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143986223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24676 + ... + 29947.

It is an arithmetic number, because the mean of its divisors is an integer number (21030240).

Almost surely, 2^143986228 is an apocalyptic number.

It is an amenable number.

143986228 is a deficient number, since it is larger than the sum of its proper divisors (108376652).

143986228 is a wasteful number, since it uses less digits than its factorization.

143986228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55286 (or 55284 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 143986228 is about 11999.4261529458. The cubic root of 143986228 is about 524.1315686561.

The spelling of 143986228 in words is "one hundred forty-three million, nine hundred eighty-six thousand, two hundred twenty-eight".