242421045043 has 4 divisors (see below), whose sum is σ = 242429041728. Its totient is φ = 242413048360.

The previous prime is 242421045019. The next prime is 242421045047. The reversal of 242421045043 is 340540124242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242421045043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242421044996 and 242421045014.

It is not an unprimeable number, because it can be changed into a prime (242421045047) 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, 3952696 + ... + 4013557.

It is an arithmetic number, because the mean of its divisors is an integer number (60607260432).

Almost surely, 2^242421045043 is an apocalyptic number.

242421045043 is a deficient number, since it is larger than the sum of its proper divisors (7996685).

242421045043 is an equidigital number, since it uses as much as digits as its factorization.

242421045043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996684.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 242421045043 its reverse (340540124242), we get a palindrome (582961169285).

The spelling of 242421045043 in words is "two hundred forty-two billion, four hundred twenty-one million, forty-five thousand, forty-three".