242154417871 has 8 divisors (see below), whose sum is σ = 243398723040. Its totient is φ = 240910265568.

The previous prime is 242154417847. The next prime is 242154417937. The reversal of 242154417871 is 178714451242.

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 242154417871 - 2¹⁷ = 242154286799 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 (242154417811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535785 + ... + 4588861.

It is an arithmetic number, because the mean of its divisors is an integer number (30424840380).

Almost surely, 2^242154417871 is an apocalyptic number.

242154417871 is a deficient number, since it is larger than the sum of its proper divisors (1244305169).

242154417871 is a wasteful number, since it uses less digits than its factorization.

242154417871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76433.

The product of its digits is 501760, while the sum is 46.

The spelling of 242154417871 in words is "two hundred forty-two billion, one hundred fifty-four million, four hundred seventeen thousand, eight hundred seventy-one".