243242004142 has 32 divisors (see below), whose sum is σ = 376308915840. Its totient is φ = 117853172640.

The previous prime is 243242004127. The next prime is 243242004151. The reversal of 243242004142 is 241400242342.

It is a self number, because there is not a number n which added to its sum of digits gives 243242004142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7989084 + ... + 8019472.

It is an arithmetic number, because the mean of its divisors is an integer number (11759653620).

Almost surely, 2^243242004142 is an apocalyptic number.

243242004142 is a deficient number, since it is larger than the sum of its proper divisors (133066911698).

243242004142 is a wasteful number, since it uses less digits than its factorization.

243242004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31168.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243242004142 its reverse (241400242342), we get a palindrome (484642246484).

The spelling of 243242004142 in words is "two hundred forty-three billion, two hundred forty-two million, four thousand, one hundred forty-two".