243000112642 has 8 divisors (see below), whose sum is σ = 416571621696. Its totient is φ = 104142905412.

The previous prime is 243000112639. The next prime is 243000112657. The reversal of 243000112642 is 246211000342.

It is a happy number.

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

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, 8678575438 + ... + 8678575465.

It is an arithmetic number, because the mean of its divisors is an integer number (52071452712).

Almost surely, 2^243000112642 is an apocalyptic number.

243000112642 is a deficient number, since it is larger than the sum of its proper divisors (173571509054).

243000112642 is a wasteful number, since it uses less digits than its factorization.

243000112642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357150912.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243000112642 its reverse (246211000342), we get a palindrome (489211112984).

The spelling of 243000112642 in words is "two hundred forty-three billion, one hundred twelve thousand, six hundred forty-two".