143432 has 8 divisors (see below), whose sum is σ = 268950. Its totient is φ = 71712.

The previous prime is 143419. The next prime is 143443. The reversal of 143432 is 234341.

It can be written as a sum of positive squares in only one way, i.e., 119716 + 23716 = 346^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 143432.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143432.

It is an unprimeable number.

143432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8957 + ... + 8972.

2¹⁴³⁴³² is an apocalyptic number.

It is an amenable number.

143432 is a deficient number, since it is larger than the sum of its proper divisors (125518).

143432 is a wasteful number, since it uses less digits than its factorization.

143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17935 (or 17931 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 143432 is about 378.7241740370. The cubic root of 143432 is about 52.3458212814.

Adding to 143432 its reverse (234341), we get a palindrome (377773).

Subtracting 143432 from its reverse (234341), we obtain a palindrome (90909).

It can be divided in two parts, 143 and 432, that multiplied together give a triangular number (61776 = T₃₅₁).

The spelling of 143432 in words is "one hundred forty-three thousand, four hundred thirty-two".