243420241100142 has 16 divisors (see below), whose sum is σ = 493697390401152. Its totient is φ = 79997262333240.

The previous prime is 243420241100129. The next prime is 243420241100149. The reversal of 243420241100142 is 241001142024342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243420241100149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285704507908 + ... + 285704508759.

It is an arithmetic number, because the mean of its divisors is an integer number (30856086900072).

Almost surely, 2^{243420241100142} is an apocalyptic number.

243420241100142 is an abundant number, since it is smaller than the sum of its proper divisors (250277149301010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243420241100142 is a wasteful number, since it uses less digits than its factorization.

243420241100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571409016743.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 243420241100142 its reverse (241001142024342), we get a palindrome (484421383124484).

The spelling of 243420241100142 in words is "two hundred forty-three trillion, four hundred twenty billion, two hundred forty-one million, one hundred thousand, one hundred forty-two".