243143341245 has 320 divisors, whose sum is σ = 542583360000. Its totient is φ = 103760455680.

The previous prime is 243143341219. The next prime is 243143341271. The reversal of 243143341245 is 542143341342.

243143341245 is a `hidden beast` number, since 2 + 4 + 31 + 43 + 341 + 245 = 666.

It is an interprime number because it is at equal distance from previous prime (243143341219) and next prime (243143341271).

It is not a de Polignac number, because 243143341245 - 2¹⁰ = 243143340221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 351871350 + ... + 351872040.

It is an arithmetic number, because the mean of its divisors is an integer number (1695573000).

Almost surely, 2^243143341245 is an apocalyptic number.

It is an amenable number.

243143341245 is an abundant number, since it is smaller than the sum of its proper divisors (299440018755).

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

243143341245 is a wasteful number, since it uses less digits than its factorization.

243143341245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 872 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 243143341245 its reverse (542143341342), we get a palindrome (785286682587).

The spelling of 243143341245 in words is "two hundred forty-three billion, one hundred forty-three million, three hundred forty-one thousand, two hundred forty-five".