154388462458313 has 2 divisors, whose sum is σ = 154388462458314. Its totient is φ = 154388462458312.

The previous prime is 154388462458309. The next prime is 154388462458339. The reversal of 154388462458313 is 313854264883451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134584778740624 + 19803683717689 = 11601068^2 + 4450133^2 .

It is a cyclic number.

It is not a de Polignac number, because 154388462458313 - 2² = 154388462458309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 154388462458313.

It is not a weakly prime, because it can be changed into another prime (154388462158313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77194231229156 + 77194231229157.

It is an arithmetic number, because the mean of its divisors is an integer number (77194231229157).

Almost surely, 2^{154388462458313} is an apocalyptic number.

It is an amenable number.

154388462458313 is a deficient number, since it is larger than the sum of its proper divisors (1).

154388462458313 is an equidigital number, since it uses as much as digits as its factorization.

154388462458313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 265420800, while the sum is 65.

The spelling of 154388462458313 in words is "one hundred fifty-four trillion, three hundred eighty-eight billion, four hundred sixty-two million, four hundred fifty-eight thousand, three hundred thirteen".