243402245130 has 128 divisors (see below), whose sum is σ = 665289179136. Its totient is φ = 56414758400.

The previous prime is 243402245111. The next prime is 243402245161. The reversal of 243402245130 is 31542204342.

243402245130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19659502 + ... + 19671878.

It is an arithmetic number, because the mean of its divisors is an integer number (5197571712).

Almost surely, 2^243402245130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243402245130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332644589568).

243402245130 is an abundant number, since it is smaller than the sum of its proper divisors (421886934006).

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

243402245130 is a wasteful number, since it uses less digits than its factorization.

243402245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243402245130 its reverse (31542204342), we get a palindrome (274944449472).

The spelling of 243402245130 in words is "two hundred forty-three billion, four hundred two million, two hundred forty-five thousand, one hundred thirty".