243150781204 has 12 divisors (see below), whose sum is σ = 425519927028. Its totient is φ = 121573659200.

The previous prime is 243150781201. The next prime is 243150781229. The reversal of 243150781204 is 402187051342.

It can be written as a sum of positive squares in 2 ways, for example, as 122956825104 + 120193956100 = 350652^2 + 346690^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243150781201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85987 + ... + 702634.

It is an arithmetic number, because the mean of its divisors is an integer number (35459993919).

Almost surely, 2^243150781204 is an apocalyptic number.

It is an amenable number.

243150781204 is a deficient number, since it is larger than the sum of its proper divisors (182369145824).

243150781204 is a wasteful number, since it uses less digits than its factorization.

243150781204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865706 (or 865704 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 243150781204 in words is "two hundred forty-three billion, one hundred fifty million, seven hundred eighty-one thousand, two hundred four".