243424045 has 16 divisors (see below), whose sum is σ = 298971648. Its totient is φ = 190182400.

The previous prime is 243424009. The next prime is 243424061. The reversal of 243424045 is 540424342.

243424045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-243424045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151245 + ... + 152845.

It is an arithmetic number, because the mean of its divisors is an integer number (18685728).

Almost surely, 2^243424045 is an apocalyptic number.

It is an amenable number.

243424045 is a deficient number, since it is larger than the sum of its proper divisors (55547603).

243424045 is a wasteful number, since it uses less digits than its factorization.

243424045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 243424045 is about 15602.0525893230. The cubic root of 243424045 is about 624.3879191670.

Adding to 243424045 its reverse (540424342), we get a palindrome (783848387).

The spelling of 243424045 in words is "two hundred forty-three million, four hundred twenty-four thousand, forty-five".