242142044201 has 8 divisors (see below), whose sum is σ = 248820125064. Its totient is φ = 235471000320.

The previous prime is 242142044191. The next prime is 242142044219. The reversal of 242142044201 is 102440241242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74406746176 + 167735298025 = 272776^2 + 409555^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242142044201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242142044281) 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, 1689440 + ... + 1827153.

It is an arithmetic number, because the mean of its divisors is an integer number (31102515633).

Almost surely, 2^242142044201 is an apocalyptic number.

It is an amenable number.

242142044201 is a deficient number, since it is larger than the sum of its proper divisors (6678080863).

242142044201 is a wasteful number, since it uses less digits than its factorization.

242142044201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518491.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 242142044201 its reverse (102440241242), we get a palindrome (344582285443).

The spelling of 242142044201 in words is "two hundred forty-two billion, one hundred forty-two million, forty-four thousand, two hundred one".