243224202142 has 32 divisors (see below), whose sum is σ = 377988145920. Its totient is φ = 117300160320.

The previous prime is 243224202131. The next prime is 243224202197. The reversal of 243224202142 is 241202422342.

It is a happy number.

243224202142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243224202142² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243224202142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19344834 + ... + 19357402.

It is an arithmetic number, because the mean of its divisors is an integer number (11812129560).

Almost surely, 2^243224202142 is an apocalyptic number.

243224202142 is a deficient number, since it is larger than the sum of its proper divisors (134763943778).

243224202142 is a wasteful number, since it uses less digits than its factorization.

243224202142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15408.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243224202142 its reverse (241202422342), we get a palindrome (484426624484).

The spelling of 243224202142 in words is "two hundred forty-three billion, two hundred twenty-four million, two hundred two thousand, one hundred forty-two".