143031868 has 24 divisors (see below), whose sum is σ = 290337152. Its totient is φ = 60383664.

The previous prime is 143031859. The next prime is 143031869. The reversal of 143031868 is 868130341.

143031868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143031869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36246 + ... + 39997.

Almost surely, 2^143031868 is an apocalyptic number.

It is an amenable number.

143031868 is an abundant number, since it is smaller than the sum of its proper divisors (147305284).

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

143031868 is a wasteful number, since it uses less digits than its factorization.

143031868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76321 (or 76319 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 143031868 is about 11959.5931368922. The cubic root of 143031868 is about 522.9709959823.

The spelling of 143031868 in words is "one hundred forty-three million, thirty-one thousand, eight hundred sixty-eight".