243433142 has 8 divisors (see below), whose sum is σ = 376928832. Its totient is φ = 117790200.

The previous prime is 243433139. The next prime is 243433153. The reversal of 243433142 is 241334342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963109 + ... + 1963232.

It is an arithmetic number, because the mean of its divisors is an integer number (47116104).

Almost surely, 2^243433142 is an apocalyptic number.

243433142 is a deficient number, since it is larger than the sum of its proper divisors (133495690).

243433142 is a wasteful number, since it uses less digits than its factorization.

243433142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926374.

The product of its digits is 6912, while the sum is 26.

The square root of 243433142 is about 15602.3441187534. The cubic root of 243433142 is about 624.3956970704.

Adding to 243433142 its reverse (241334342), we get a palindrome (484767484).

The spelling of 243433142 in words is "two hundred forty-three million, four hundred thirty-three thousand, one hundred forty-two".