243052002554 has 8 divisors (see below), whose sum is σ = 374431463508. Its totient is φ = 118241514720.

The previous prime is 243052002509. The next prime is 243052002569. The reversal of 243052002554 is 455200250342.

It can be written as a sum of positive squares in 2 ways, for example, as 170343576529 + 72708426025 = 412727^2 + 269645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243052002554.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642243187 + ... + 1642243334.

Almost surely, 2^243052002554 is an apocalyptic number.

243052002554 is a deficient number, since it is larger than the sum of its proper divisors (131379460954).

243052002554 is a wasteful number, since it uses less digits than its factorization.

243052002554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284486560.

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 243052002554 its reverse (455200250342), we get a palindrome (698252252896).

The spelling of 243052002554 in words is "two hundred forty-three billion, fifty-two million, two thousand, five hundred fifty-four".