243134451606 has 32 divisors (see below), whose sum is σ = 502057092096. Its totient is φ = 78414516000.

The previous prime is 243134451589. The next prime is 243134451611. The reversal of 243134451606 is 606154431342.

It is a super-2 number, since 2×243134451606² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 801616 + ... + 1062476.

It is an arithmetic number, because the mean of its divisors is an integer number (15689284128).

Almost surely, 2^243134451606 is an apocalyptic number.

243134451606 is an abundant number, since it is smaller than the sum of its proper divisors (258922640490).

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

243134451606 is a wasteful number, since it uses less digits than its factorization.

243134451606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265908.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 243134451606 its reverse (606154431342), we get a palindrome (849288882948).

The spelling of 243134451606 in words is "two hundred forty-three billion, one hundred thirty-four million, four hundred fifty-one thousand, six hundred six".