243434541 has 8 divisors (see below), whose sum is σ = 370947904. Its totient is φ = 139105440.

The previous prime is 243434539. The next prime is 243434551. The reversal of 243434541 is 145434342.

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

It is not a de Polignac number, because 243434541 - 2¹ = 243434539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243434499 and 243434508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243434551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796040 + ... + 5796081.

It is an arithmetic number, because the mean of its divisors is an integer number (46368488).

Almost surely, 2^243434541 is an apocalyptic number.

243434541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243434541 is a deficient number, since it is larger than the sum of its proper divisors (127513363).

243434541 is a wasteful number, since it uses less digits than its factorization.

243434541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592131.

The product of its digits is 23040, while the sum is 30.

The square root of 243434541 is about 15602.3889516958. The cubic root of 243434541 is about 624.3968931934.

Adding to 243434541 its reverse (145434342), we get a palindrome (388868883).

The spelling of 243434541 in words is "two hundred forty-three million, four hundred thirty-four thousand, five hundred forty-one".