242544231 has 12 divisors (see below), whose sum is σ = 350507352. Its totient is φ = 161619696.

The previous prime is 242544191. The next prime is 242544251. The reversal of 242544231 is 132445242.

242544231 is a `hidden beast` number, since 2 + 425 + 4 + 4 + 231 = 666.

It is not a de Polignac number, because 242544231 - 2⁶ = 242544167 is a prime.

It is a super-2 number, since 2×242544231² = 117655407982762722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242544195 and 242544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242544251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19060 + ... + 29126.

It is an arithmetic number, because the mean of its divisors is an integer number (29208946).

Almost surely, 2^242544231 is an apocalyptic number.

242544231 is a deficient number, since it is larger than the sum of its proper divisors (107963121).

242544231 is a wasteful number, since it uses less digits than its factorization.

242544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750 (or 12747 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 242544231 is about 15573.8316094659. The cubic root of 242544231 is about 623.6347637661.

Adding to 242544231 its reverse (132445242), we get a palindrome (374989473).

It can be divided in two parts, 2425 and 44231, that added together give a 6-th power (46656 = 6⁶).

The spelling of 242544231 in words is "two hundred forty-two million, five hundred forty-four thousand, two hundred thirty-one".