242144013 has 4 divisors (see below), whose sum is σ = 322858688. Its totient is φ = 161429340.

The previous prime is 242144003. The next prime is 242144017. The reversal of 242144013 is 310441242.

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 not a de Polignac number, because 242144013 - 2⁵ = 242143981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242144017) 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, 40357333 + ... + 40357338.

It is an arithmetic number, because the mean of its divisors is an integer number (80714672).

Almost surely, 2^242144013 is an apocalyptic number.

It is an amenable number.

242144013 is a deficient number, since it is larger than the sum of its proper divisors (80714675).

242144013 is an equidigital number, since it uses as much as digits as its factorization.

242144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80714674.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 242144013 is about 15560.9772508027. The cubic root of 242144013 is about 623.2915586469.

Adding to 242144013 its reverse (310441242), we get a palindrome (552585255).

The spelling of 242144013 in words is "two hundred forty-two million, one hundred forty-four thousand, thirteen".