243201054442 has 8 divisors (see below), whose sum is σ = 366118555716. Its totient is φ = 121161535872.

The previous prime is 243201054419. The next prime is 243201054461. The reversal of 243201054442 is 244450102342.

It can be written as a sum of positive squares in 2 ways, for example, as 192634087801 + 50566966641 = 438901^2 + 224871^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219494983 + ... + 219496090.

Almost surely, 2^243201054442 is an apocalyptic number.

243201054442 is a deficient number, since it is larger than the sum of its proper divisors (122917501274).

243201054442 is a wasteful number, since it uses less digits than its factorization.

243201054442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438991352.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 243201054442 its reverse (244450102342), we get a palindrome (487651156784).

The spelling of 243201054442 in words is "two hundred forty-three billion, two hundred one million, fifty-four thousand, four hundred forty-two".