243034043142 has 16 divisors (see below), whose sum is σ = 530256094272. Its totient is φ = 73646679720.

The previous prime is 243034043137. The next prime is 243034043143. The reversal of 243034043142 is 241340430342.

It is a happy number.

243034043142 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 2×243034043142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243034043143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1841166928 + ... + 1841167059.

It is an arithmetic number, because the mean of its divisors is an integer number (33141005892).

Almost surely, 2^243034043142 is an apocalyptic number.

243034043142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243034043142 is an abundant number, since it is smaller than the sum of its proper divisors (287222051130).

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

243034043142 is a wasteful number, since it uses less digits than its factorization.

243034043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682334003.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243034043142 its reverse (241340430342), we get a palindrome (484374473484).

The spelling of 243034043142 in words is "two hundred forty-three billion, thirty-four million, forty-three thousand, one hundred forty-two".