243142350452 has 12 divisors (see below), whose sum is σ = 427373560320. Its totient is φ = 121035618936.

The previous prime is 243142350419. The next prime is 243142350463. The reversal of 243142350452 is 254053241342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133888052 + ... + 133889867.

It is an arithmetic number, because the mean of its divisors is an integer number (35614463360).

Almost surely, 2^243142350452 is an apocalyptic number.

It is an amenable number.

243142350452 is a deficient number, since it is larger than the sum of its proper divisors (184231209868).

243142350452 is a wasteful number, since it uses less digits than its factorization.

243142350452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267778150 (or 267778148 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 243142350452 its reverse (254053241342), we get a palindrome (497195591794).

The spelling of 243142350452 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred fifty thousand, four hundred fifty-two".