243454252 has 6 divisors (see below), whose sum is σ = 426044948. Its totient is φ = 121727124.

The previous prime is 243454247. The next prime is 243454273. The reversal of 243454252 is 252454342.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30431778 + ... + 30431785.

Almost surely, 2^243454252 is an apocalyptic number.

It is an amenable number.

243454252 is a deficient number, since it is larger than the sum of its proper divisors (182590696).

243454252 is a wasteful number, since it uses less digits than its factorization.

243454252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60863567 (or 60863565 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 243454252 is about 15603.0206049983. The cubic root of 243454252 is about 624.4137453006.

The spelling of 243454252 in words is "two hundred forty-three million, four hundred fifty-four thousand, two hundred fifty-two".