242521432443 has 12 divisors (see below), whose sum is σ = 352333644000. Its totient is φ = 160746381936.

The previous prime is 242521432409. The next prime is 242521432463. The reversal of 242521432443 is 344234125242.

242521432443 is a `hidden beast` number, since 24 + 2 + 52 + 143 + 2 + 443 = 666.

It is not a de Polignac number, because 242521432443 - 2⁶ = 242521432379 is a prime.

It is a super-2 number, since 2×242521432443² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242521432398 and 242521432407.

It is not an unprimeable number, because it can be changed into a prime (242521432463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77879443 + ... + 77882556.

It is an arithmetic number, because the mean of its divisors is an integer number (29361137000).

Almost surely, 2^242521432443 is an apocalyptic number.

242521432443 is a deficient number, since it is larger than the sum of its proper divisors (109812211557).

242521432443 is a wasteful number, since it uses less digits than its factorization.

242521432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155762178 (or 155762175 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 242521432443 its reverse (344234125242), we get a palindrome (586755557685).

The spelling of 242521432443 in words is "two hundred forty-two billion, five hundred twenty-one million, four hundred thirty-two thousand, four hundred forty-three".