242105254 has 8 divisors (see below), whose sum is σ = 363639888. Its totient is φ = 120891960.

The previous prime is 242105251. The next prime is 242105267. The reversal of 242105254 is 452501242.

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

It is a super-2 number, since 2×242105254² = 117229908028809032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242105251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78442 + ... + 81469.

It is an arithmetic number, because the mean of its divisors is an integer number (45454986).

Almost surely, 2^242105254 is an apocalyptic number.

242105254 is a deficient number, since it is larger than the sum of its proper divisors (121534634).

242105254 is a wasteful number, since it uses less digits than its factorization.

242105254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160670.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 242105254 is about 15559.7318100281. The cubic root of 242105254 is about 623.2583009637.

Adding to 242105254 its reverse (452501242), we get a palindrome (694606496).

The spelling of 242105254 in words is "two hundred forty-two million, one hundred five thousand, two hundred fifty-four".