154640103566233 has 2 divisors, whose sum is σ = 154640103566234. Its totient is φ = 154640103566232.

The previous prime is 154640103566209. The next prime is 154640103566243. The reversal of 154640103566233 is 332665301046451.

154640103566233 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 can be written as a sum of positive squares in only one way, i.e., 154638849839769 + 1253726464 = 12435387^2 + 35408^2 .

It is an emirp because it is prime and its reverse (332665301046451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154640103566233 - 2²⁹ = 154639566695321 is a prime.

It is not a weakly prime, because it can be changed into another prime (154640103566243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77320051783116 + 77320051783117.

It is an arithmetic number, because the mean of its divisors is an integer number (77320051783117).

Almost surely, 2^{154640103566233} is an apocalyptic number.

It is an amenable number.

154640103566233 is a deficient number, since it is larger than the sum of its proper divisors (1).

154640103566233 is an equidigital number, since it uses as much as digits as its factorization.

154640103566233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 154640103566233 in words is "one hundred fifty-four trillion, six hundred forty billion, one hundred three million, five hundred sixty-six thousand, two hundred thirty-three".