240154345245239 has 2 divisors, whose sum is σ = 240154345245240. Its totient is φ = 240154345245238.

The previous prime is 240154345245127. The next prime is 240154345245247. The reversal of 240154345245239 is 932542543451042.

240154345245239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240154345245239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240154345248239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120077172622619 + 120077172622620.

It is an arithmetic number, because the mean of its divisors is an integer number (120077172622620).

Almost surely, 2^{240154345245239} is an apocalyptic number.

240154345245239 is a deficient number, since it is larger than the sum of its proper divisors (1).

240154345245239 is an equidigital number, since it uses as much as digits as its factorization.

240154345245239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 240154345245239 in words is "two hundred forty trillion, one hundred fifty-four billion, three hundred forty-five million, two hundred forty-five thousand, two hundred thirty-nine".