243055634 has 4 divisors (see below), whose sum is σ = 364583454. Its totient is φ = 121527816.

The previous prime is 243055609. The next prime is 243055661. The reversal of 243055634 is 436550342.

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

It can be written as a sum of positive squares in only one way, i.e., 130759225 + 112296409 = 11435^2 + 10597^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243055634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60763907 + ... + 60763910.

Almost surely, 2^243055634 is an apocalyptic number.

243055634 is a deficient number, since it is larger than the sum of its proper divisors (121527820).

243055634 is a wasteful number, since it uses less digits than its factorization.

243055634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121527819.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 243055634 is about 15590.2416273770. The cubic root of 243055634 is about 624.0727660732.

The spelling of 243055634 in words is "two hundred forty-three million, fifty-five thousand, six hundred thirty-four".