143243430 has 48 divisors (see below), whose sum is σ = 377888112. Its totient is φ = 34724800.

The previous prime is 143243389. The next prime is 143243459. The reversal of 143243430 is 34342341.

143243430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143243430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16101 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (7872669).

Almost surely, 2^143243430 is an apocalyptic number.

143243430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143243430 is an abundant number, since it is smaller than the sum of its proper divisors (234644682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143243430 is a wasteful number, since it uses less digits than its factorization.

143243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39493 (or 39482 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 143243430 is about 11968.4347347512. The cubic root of 143243430 is about 523.2287154348.

Adding to 143243430 its reverse (34342341), we get a palindrome (177585771).

The spelling of 143243430 in words is "one hundred forty-three million, two hundred forty-three thousand, four hundred thirty".