243145414020 has 48 divisors (see below), whose sum is σ = 710407474560. Its totient is φ = 62019699456.

The previous prime is 243145413989. The next prime is 243145414063. The reversal of 243145414020 is 20414541342.

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 15 ways as a sum of consecutive naturals, for example, 88094785 + ... + 88097544.

It is an arithmetic number, because the mean of its divisors is an integer number (14800155720).

Almost surely, 2^243145414020 is an apocalyptic number.

243145414020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243145414020 is an abundant number, since it is smaller than the sum of its proper divisors (467262060540).

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

243145414020 is a wasteful number, since it uses less digits than its factorization.

243145414020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176192364 (or 176192362 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 243145414020 its reverse (20414541342), we get a palindrome (263559955362).

The spelling of 243145414020 in words is "two hundred forty-three billion, one hundred forty-five million, four hundred fourteen thousand, twenty".