242142541405441 has 4 divisors (see below), whose sum is σ = 244493439865792. Its totient is φ = 239791642945092.

The previous prime is 242142541405421. The next prime is 242142541405463. The reversal of 242142541405441 is 144504145241242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242142541405441 - 2⁷ = 242142541405313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242142541405411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175449230021 + ... + 1175449230226.

It is an arithmetic number, because the mean of its divisors is an integer number (61123359966448).

Almost surely, 2^{242142541405441} is an apocalyptic number.

It is an amenable number.

242142541405441 is a deficient number, since it is larger than the sum of its proper divisors (2350898460351).

242142541405441 is a wasteful number, since it uses less digits than its factorization.

242142541405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350898460350.

The product of its (nonzero) digits is 819200, while the sum is 43.

Adding to 242142541405441 its reverse (144504145241242), we get a palindrome (386646686646683).

The spelling of 242142541405441 in words is "two hundred forty-two trillion, one hundred forty-two billion, five hundred forty-one million, four hundred five thousand, four hundred forty-one".