243530342 has 32 divisors (see below), whose sum is σ = 413683200. Its totient is φ = 106506400.

The previous prime is 243530323. The next prime is 243530369. The reversal of 243530342 is 243035342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266867 + ... + 267777.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2^243530342 is an apocalyptic number.

243530342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243530342 is a deficient number, since it is larger than the sum of its proper divisors (170152858).

243530342 is a wasteful number, since it uses less digits than its factorization.

243530342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 243530342 is about 15605.4587244336. The cubic root of 243530342 is about 624.4787906394.

Adding to 243530342 its reverse (243035342), we get a palindrome (486565684).

The spelling of 243530342 in words is "two hundred forty-three million, five hundred thirty thousand, three hundred forty-two".