143398443 has 16 divisors (see below), whose sum is σ = 199565856. Its totient is φ = 91503360.

The previous prime is 143398439. The next prime is 143398447. The reversal of 143398443 is 344893341.

It is an interprime number because it is at equal distance from previous prime (143398439) and next prime (143398447).

It is not a de Polignac number, because 143398443 - 2² = 143398439 is a prime.

It is a super-2 number, since 2×143398443² = 41126226909648498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143398447) 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 15 ways as a sum of consecutive naturals, for example, 4480 + ... + 17517.

It is an arithmetic number, because the mean of its divisors is an integer number (12472866).

Almost surely, 2^143398443 is an apocalyptic number.

143398443 is a deficient number, since it is larger than the sum of its proper divisors (56167413).

143398443 is a wasteful number, since it uses less digits than its factorization.

143398443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22094.

The product of its digits is 124416, while the sum is 39.

The square root of 143398443 is about 11974.9088931816. The cubic root of 143398443 is about 523.4173872952.

The spelling of 143398443 in words is "one hundred forty-three million, three hundred ninety-eight thousand, four hundred forty-three".