242404321151 has 4 divisors (see below), whose sum is σ = 242406201912. Its totient is φ = 242402440392.

The previous prime is 242404321141. The next prime is 242404321171. The reversal of 242404321151 is 151123404242.

It is a happy number.

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-242404321151 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 (242404321111) 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, 731600 + ... + 1009973.

It is an arithmetic number, because the mean of its divisors is an integer number (60601550478).

Almost surely, 2^242404321151 is an apocalyptic number.

242404321151 is a deficient number, since it is larger than the sum of its proper divisors (1880761).

242404321151 is a wasteful number, since it uses less digits than its factorization.

242404321151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880760.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 242404321151 its reverse (151123404242), we get a palindrome (393527725393).

The spelling of 242404321151 in words is "two hundred forty-two billion, four hundred four million, three hundred twenty-one thousand, one hundred fifty-one".