143218396 has 24 divisors (see below), whose sum is σ = 255926160. Its totient is φ = 70109952.

The previous prime is 143218393. The next prime is 143218399. The reversal of 143218396 is 693812341.

It is an interprime number because it is at equal distance from previous prime (143218393) and next prime (143218399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143218393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44820 + ... + 47908.

It is an arithmetic number, because the mean of its divisors is an integer number (10663590).

Almost surely, 2^143218396 is an apocalyptic number.

It is an amenable number.

143218396 is a deficient number, since it is larger than the sum of its proper divisors (112707764).

143218396 is a wasteful number, since it uses less digits than its factorization.

143218396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333 (or 3331 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 143218396 is about 11967.3888547168. The cubic root of 143218396 is about 523.1982328947.

The spelling of 143218396 in words is "one hundred forty-three million, two hundred eighteen thousand, three hundred ninety-six".