242214143 has 4 divisors (see below), whose sum is σ = 242271960. Its totient is φ = 242156328.

The previous prime is 242214121. The next prime is 242214151. The reversal of 242214143 is 341412242.

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

It is a cyclic number.

It is not a de Polignac number, because 242214143 - 2¹² = 242210047 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 (242214163) 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, 22088 + ... + 31181.

It is an arithmetic number, because the mean of its divisors is an integer number (60567990).

Almost surely, 2^242214143 is an apocalyptic number.

242214143 is a deficient number, since it is larger than the sum of its proper divisors (57817).

242214143 is an equidigital number, since it uses as much as digits as its factorization.

242214143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57816.

The product of its digits is 1536, while the sum is 23.

The square root of 242214143 is about 15563.2304808481. The cubic root of 242214143 is about 623.3517256211.

Adding to 242214143 its reverse (341412242), we get a palindrome (583626385).

The spelling of 242214143 in words is "two hundred forty-two million, two hundred fourteen thousand, one hundred forty-three".