143321716 has 12 divisors (see below), whose sum is σ = 250938688. Its totient is φ = 71624952.

The previous prime is 143321707. The next prime is 143321743. The reversal of 143321716 is 617123341.

143321716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143321716² = 41082228554369312, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1315 + ... + 16981.

Almost surely, 2^143321716 is an apocalyptic number.

It is an amenable number.

143321716 is a deficient number, since it is larger than the sum of its proper divisors (107616972).

143321716 is a wasteful number, since it uses less digits than its factorization.

143321716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958 (or 17956 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 143321716 is about 11971.7048075869. The cubic root of 143321716 is about 523.3240171258.

The spelling of 143321716 in words is "one hundred forty-three million, three hundred twenty-one thousand, seven hundred sixteen".