243003225140 has 48 divisors (see below), whose sum is σ = 549598331520. Its totient is φ = 89718195840.

The previous prime is 243003225109. The next prime is 243003225181. The reversal of 243003225140 is 41522300342.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6098201 + ... + 6137919.

It is an arithmetic number, because the mean of its divisors is an integer number (11449965240).

Almost surely, 2^243003225140 is an apocalyptic number.

243003225140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243003225140 is an abundant number, since it is smaller than the sum of its proper divisors (306595106380).

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

243003225140 is a wasteful number, since it uses less digits than its factorization.

243003225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63272 (or 63270 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 243003225140 its reverse (41522300342), we get a palindrome (284525525482).

The spelling of 243003225140 in words is "two hundred forty-three billion, three million, two hundred twenty-five thousand, one hundred forty".