243142012153 has 2 divisors, whose sum is σ = 243142012154. Its totient is φ = 243142012152.

The previous prime is 243142012129. The next prime is 243142012163. The reversal of 243142012153 is 351210241342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205256114704 + 37885897449 = 453052^2 + 194643^2 .

It is a cyclic number.

It is not a de Polignac number, because 243142012153 - 2²¹ = 243139915001 is a prime.

It is not a weakly prime, because it can be changed into another prime (243142012163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121571006076 + 121571006077.

It is an arithmetic number, because the mean of its divisors is an integer number (121571006077).

Almost surely, 2^243142012153 is an apocalyptic number.

It is an amenable number.

243142012153 is a deficient number, since it is larger than the sum of its proper divisors (1).

243142012153 is an equidigital number, since it uses as much as digits as its factorization.

243142012153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 243142012153 its reverse (351210241342), we get a palindrome (594352253495).

The spelling of 243142012153 in words is "two hundred forty-three billion, one hundred forty-two million, twelve thousand, one hundred fifty-three".