242241145 has 8 divisors (see below), whose sum is σ = 297449856. Its totient is φ = 189285936.

The previous prime is 242241133. The next prime is 242241163. The reversal of 242241145 is 541142242.

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 242241145 - 2¹⁹ = 241716857 is a prime.

It is a super-2 number, since 2×242241145² = 117361544661822050, which contains 22 as substring.

It is a Duffinian 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, 563137 + ... + 563566.

It is an arithmetic number, because the mean of its divisors is an integer number (37181232).

Almost surely, 2^242241145 is an apocalyptic number.

It is an amenable number.

242241145 is a deficient number, since it is larger than the sum of its proper divisors (55208711).

242241145 is a wasteful number, since it uses less digits than its factorization.

242241145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126751.

The product of its digits is 2560, while the sum is 25.

The square root of 242241145 is about 15564.0979500901. The cubic root of 242241145 is about 623.3748884825.

Adding to 242241145 its reverse (541142242), we get a palindrome (783383387).

The spelling of 242241145 in words is "two hundred forty-two million, two hundred forty-one thousand, one hundred forty-five".