242303154454 has 4 divisors (see below), whose sum is σ = 363454731684. Its totient is φ = 121151577226.

The previous prime is 242303154421. The next prime is 242303154497. The reversal of 242303154454 is 454451303242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454451303242 = 2 ⋅227225651621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60575788612 + ... + 60575788615.

It is an arithmetic number, because the mean of its divisors is an integer number (90863682921).

Almost surely, 2^242303154454 is an apocalyptic number.

242303154454 is a deficient number, since it is larger than the sum of its proper divisors (121151577230).

242303154454 is a wasteful number, since it uses less digits than its factorization.

242303154454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121151577229.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 242303154454 its reverse (454451303242), we get a palindrome (696754457696).

The spelling of 242303154454 in words is "two hundred forty-two billion, three hundred three million, one hundred fifty-four thousand, four hundred fifty-four".