243401042 has 8 divisors (see below), whose sum is σ = 380975616. Its totient is φ = 116409172.

The previous prime is 243401029. The next prime is 243401063. The reversal of 243401042 is 240104342.

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

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, 2645618 + ... + 2645709.

It is an arithmetic number, because the mean of its divisors is an integer number (47621952).

Almost surely, 2^243401042 is an apocalyptic number.

243401042 is a deficient number, since it is larger than the sum of its proper divisors (137574574).

243401042 is a wasteful number, since it uses less digits than its factorization.

243401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291352.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 243401042 is about 15601.3153932609. The cubic root of 243401042 is about 624.3682508172.

Adding to 243401042 its reverse (240104342), we get a palindrome (483505384).

The spelling of 243401042 in words is "two hundred forty-three million, four hundred one thousand, forty-two".