243054434 has 16 divisors (see below), whose sum is σ = 418996800. Its totient is φ = 103583184.

The previous prime is 243054431. The next prime is 243054451. The reversal of 243054434 is 434450342.

It is a junction number, because it is equal to n+sod(n) for n = 243054397 and 243054406.

It is not an unprimeable number, because it can be changed into a prime (243054431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45989 + ... + 51000.

It is an arithmetic number, because the mean of its divisors is an integer number (26187300).

Almost surely, 2^243054434 is an apocalyptic number.

243054434 is a deficient number, since it is larger than the sum of its proper divisors (175942366).

243054434 is a wasteful number, since it uses less digits than its factorization.

243054434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97177.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 243054434 is about 15590.2031417169. The cubic root of 243054434 is about 624.0717390264.

The spelling of 243054434 in words is "two hundred forty-three million, fifty-four thousand, four hundred thirty-four".