242543432 has 8 divisors (see below), whose sum is σ = 454768950. Its totient is φ = 121271712.

The previous prime is 242543407. The next prime is 242543459. The reversal of 242543432 is 234345242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 235499716 + 7043716 = 15346^2 + 2654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 242543395 and 242543404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15158957 + ... + 15158972.

Almost surely, 2^242543432 is an apocalyptic number.

It is an amenable number.

242543432 is a deficient number, since it is larger than the sum of its proper divisors (212225518).

242543432 is a wasteful number, since it uses less digits than its factorization.

242543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30317935 (or 30317931 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 242543432 is about 15573.8059574402. The cubic root of 242543432 is about 623.6340789636.

Adding to 242543432 its reverse (234345242), we get a palindrome (476888674).

The spelling of 242543432 in words is "two hundred forty-two million, five hundred forty-three thousand, four hundred thirty-two".