243115151442 has 32 divisors (see below), whose sum is σ = 488498148864. Its totient is φ = 80660755200.

The previous prime is 243115151423. The next prime is 243115151443. The reversal of 243115151442 is 244151511342.

It is not an unprimeable number, because it can be changed into a prime (243115151443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845567 + ... + 2929757.

It is an arithmetic number, because the mean of its divisors is an integer number (15265567152).

Almost surely, 2^243115151442 is an apocalyptic number.

243115151442 is an abundant number, since it is smaller than the sum of its proper divisors (245382997422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243115151442 is a wasteful number, since it uses less digits than its factorization.

243115151442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86434.

The product of its digits is 19200, while the sum is 33.

Adding to 243115151442 its reverse (244151511342), we get a palindrome (487266662784).

The spelling of 243115151442 in words is "two hundred forty-three billion, one hundred fifteen million, one hundred fifty-one thousand, four hundred forty-two".