143213432 has 16 divisors (see below), whose sum is σ = 269498760. Its totient is φ = 71347104.

The previous prime is 143213381. The next prime is 143213437. The reversal of 143213432 is 234312341.

It is a junction number, because it is equal to n+sod(n) for n = 143213398 and 143213407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143213437) 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 3 ways as a sum of consecutive naturals, for example, 30098 + ... + 34529.

Almost surely, 2^143213432 is an apocalyptic number.

It is an amenable number.

143213432 is a deficient number, since it is larger than the sum of its proper divisors (126285328).

143213432 is a wasteful number, since it uses less digits than its factorization.

143213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64910 (or 64906 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 143213432 is about 11967.1814559653. The cubic root of 143213432 is about 523.1921880799.

Adding to 143213432 its reverse (234312341), we get a palindrome (377525773).

The spelling of 143213432 in words is "one hundred forty-three million, two hundred thirteen thousand, four hundred thirty-two".