242143441 has 4 divisors (see below), whose sum is σ = 245553984. Its totient is φ = 238732900.

The previous prime is 242143411. The next prime is 242143459. The reversal of 242143441 is 144341242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144341242 = 2 ⋅72170621.

It is a cyclic number.

It is not a de Polignac number, because 242143441 - 2¹³ = 242135249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242143411) 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, 1705165 + ... + 1705306.

It is an arithmetic number, because the mean of its divisors is an integer number (61388496).

Almost surely, 2^242143441 is an apocalyptic number.

It is an amenable number.

242143441 is a deficient number, since it is larger than the sum of its proper divisors (3410543).

242143441 is an equidigital number, since it uses as much as digits as its factorization.

242143441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410542.

The product of its digits is 3072, while the sum is 25.

The square root of 242143441 is about 15560.9588714835. The cubic root of 242143441 is about 623.2910678604.

Adding to 242143441 its reverse (144341242), we get a palindrome (386484683).

The spelling of 242143441 in words is "two hundred forty-two million, one hundred forty-three thousand, four hundred forty-one".