243378140104 has 32 divisors (see below), whose sum is σ = 497845283040. Its totient is φ = 110620569600.

The previous prime is 243378140101. The next prime is 243378140177. The reversal of 243378140104 is 401041873342.

243378140104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243378140101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897939 + ... + 2022109.

It is an arithmetic number, because the mean of its divisors is an integer number (15557665095).

Almost surely, 2^243378140104 is an apocalyptic number.

It is an amenable number.

243378140104 is an abundant number, since it is smaller than the sum of its proper divisors (254467142936).

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

243378140104 is a wasteful number, since it uses less digits than its factorization.

243378140104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146461 (or 146457 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 243378140104 in words is "two hundred forty-three billion, three hundred seventy-eight million, one hundred forty thousand, one hundred four".