243733004142 has 32 divisors (see below), whose sum is σ = 489355012608. Its totient is φ = 80930088576.

The previous prime is 243733004089. The next prime is 243733004149. The reversal of 243733004142 is 241400337342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243733004149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597563 + ... + 1743465.

It is an arithmetic number, because the mean of its divisors is an integer number (15292344144).

Almost surely, 2^243733004142 is an apocalyptic number.

243733004142 is an abundant number, since it is smaller than the sum of its proper divisors (245622008466).

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

243733004142 is a wasteful number, since it uses less digits than its factorization.

243733004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146984.

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 243733004142 in words is "two hundred forty-three billion, seven hundred thirty-three million, four thousand, one hundred forty-two".