242455231 has 8 divisors (see below), whose sum is σ = 247826304. Its totient is φ = 237113760.

The previous prime is 242455217. The next prime is 242455243. The reversal of 242455231 is 132554242.

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 242455231 - 2¹³ = 242447039 is a prime.

It is a super-2 number, since 2×242455231² = 117569078078526722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242455231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455261) 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, 9586 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (30978288).

Almost surely, 2^242455231 is an apocalyptic number.

242455231 is a deficient number, since it is larger than the sum of its proper divisors (5371073).

242455231 is a wasteful number, since it uses less digits than its factorization.

242455231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801.

The product of its digits is 9600, while the sum is 28.

The square root of 242455231 is about 15570.9739900881. The cubic root of 242455231 is about 623.5584748847.

The spelling of 242455231 in words is "two hundred forty-two million, four hundred fifty-five thousand, two hundred thirty-one".