242151143215 has 8 divisors (see below), whose sum is σ = 307674393840. Its totient is φ = 182325566592.

The previous prime is 242151143207. The next prime is 242151143237. The reversal of 242151143215 is 512341151242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242151143215 - 2³ = 242151143207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424418405 + ... + 1424418574.

It is an arithmetic number, because the mean of its divisors is an integer number (38459299230).

Almost surely, 2^242151143215 is an apocalyptic number.

242151143215 is a deficient number, since it is larger than the sum of its proper divisors (65523250625).

242151143215 is a wasteful number, since it uses less digits than its factorization.

242151143215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848837001.

The product of its digits is 9600, while the sum is 31.

Adding to 242151143215 its reverse (512341151242), we get a palindrome (754492294457).

The spelling of 242151143215 in words is "two hundred forty-two billion, one hundred fifty-one million, one hundred forty-three thousand, two hundred fifteen".