143255432 has 8 divisors (see below), whose sum is σ = 268603950. Its totient is φ = 71627712.

The previous prime is 143255429. The next prime is 143255467. The reversal of 143255432 is 234552341.

It is a happy number.

143255432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 43375396 = 9994^2 + 6586^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 143255395 and 143255404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8953457 + ... + 8953472.

Almost surely, 2^143255432 is an apocalyptic number.

It is an amenable number.

143255432 is a deficient number, since it is larger than the sum of its proper divisors (125348518).

143255432 is a wasteful number, since it uses less digits than its factorization.

143255432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906935 (or 17906931 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 143255432 is about 11968.9361264901. The cubic root of 143255432 is about 523.2433283578.

The spelling of 143255432 in words is "one hundred forty-three million, two hundred fifty-five thousand, four hundred thirty-two".