153243245137 has 2 divisors, whose sum is σ = 153243245138. Its totient is φ = 153243245136.

The previous prime is 153243245047. The next prime is 153243245219. The reversal of 153243245137 is 731542342351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147658821696 + 5584423441 = 384264^2 + 74729^2 .

It is an emirp because it is prime and its reverse (731542342351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153243245137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153243245137.

It is not a weakly prime, because it can be changed into another prime (153243245237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76621622568 + 76621622569.

It is an arithmetic number, because the mean of its divisors is an integer number (76621622569).

Almost surely, 2^153243245137 is an apocalyptic number.

It is an amenable number.

153243245137 is a deficient number, since it is larger than the sum of its proper divisors (1).

153243245137 is an equidigital number, since it uses as much as digits as its factorization.

153243245137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 40.

Adding to 153243245137 its reverse (731542342351), we get a palindrome (884785587488).

The spelling of 153243245137 in words is "one hundred fifty-three billion, two hundred forty-three million, two hundred forty-five thousand, one hundred thirty-seven".