243354134 has 4 divisors (see below), whose sum is σ = 365031204. Its totient is φ = 121677066.

The previous prime is 243354131. The next prime is 243354151. The reversal of 243354134 is 431453342.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 243354097 and 243354106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243354131) 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 as a sum of consecutive naturals, namely, 60838532 + ... + 60838535.

It is an arithmetic number, because the mean of its divisors is an integer number (91257801).

Almost surely, 2^243354134 is an apocalyptic number.

243354134 is a deficient number, since it is larger than the sum of its proper divisors (121677070).

243354134 is a wasteful number, since it uses less digits than its factorization.

243354134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121677069.

The product of its digits is 17280, while the sum is 29.

The square root of 243354134 is about 15599.8119860465. The cubic root of 243354134 is about 624.3281390367.

The spelling of 243354134 in words is "two hundred forty-three million, three hundred fifty-four thousand, one hundred thirty-four".