243142301459 has 2 divisors, whose sum is σ = 243142301460. Its totient is φ = 243142301458.

The previous prime is 243142301411. The next prime is 243142301489. The reversal of 243142301459 is 954103241342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243142301459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (243142301489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121571150729 + 121571150730.

It is an arithmetic number, because the mean of its divisors is an integer number (121571150730).

Almost surely, 2^243142301459 is an apocalyptic number.

243142301459 is a deficient number, since it is larger than the sum of its proper divisors (1).

243142301459 is an equidigital number, since it uses as much as digits as its factorization.

243142301459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 243142301459 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred one thousand, four hundred fifty-nine".