143158228 has 12 divisors (see below), whose sum is σ = 250652052. Its totient is φ = 71543360.

The previous prime is 143158201. The next prime is 143158237. The reversal of 143158228 is 822851341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55323844 + 87834384 = 7438^2 + 9372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143158193 and 143158202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (20887671).

Almost surely, 2^143158228 is an apocalyptic number.

It is an amenable number.

143158228 is a deficient number, since it is larger than the sum of its proper divisors (107493824).

143158228 is a wasteful number, since it uses less digits than its factorization.

143158228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17882 (or 17880 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 143158228 is about 11964.8747590604. The cubic root of 143158228 is about 523.1249550627.

The spelling of 143158228 in words is "one hundred forty-three million, one hundred fifty-eight thousand, two hundred twenty-eight".