242544150531 has 12 divisors (see below), whose sum is σ = 356951769408. Its totient is φ = 158645230224.

The previous prime is 242544150529. The next prime is 242544150659. The reversal of 242544150531 is 135051445242.

242544150531 is a `hidden beast` number, since 24 + 2 + 54 + 4 + 1 + 50 + 531 = 666.

It is not a de Polignac number, because 242544150531 - 2¹ = 242544150529 is a prime.

It is a super-2 number, since 2×242544150531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242544150131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254238675 + ... + 254239628.

It is an arithmetic number, because the mean of its divisors is an integer number (29745980784).

Almost surely, 2^242544150531 is an apocalyptic number.

242544150531 is a deficient number, since it is larger than the sum of its proper divisors (114407618877).

242544150531 is a wasteful number, since it uses less digits than its factorization.

242544150531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508478362 (or 508478359 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 242544150531 its reverse (135051445242), we get a palindrome (377595595773).

The spelling of 242544150531 in words is "two hundred forty-two billion, five hundred forty-four million, one hundred fifty thousand, five hundred thirty-one".