154105145024461 has 2 divisors, whose sum is σ = 154105145024462. Its totient is φ = 154105145024460.

The previous prime is 154105145024443. The next prime is 154105145024513. The reversal of 154105145024461 is 164420541501451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107577657961225 + 46527487063236 = 10371965^2 + 6821106^2 .

It is a cyclic number.

It is not a de Polignac number, because 154105145024461 - 2¹⁷ = 154105144893389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154105145021461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77052572512230 + 77052572512231.

It is an arithmetic number, because the mean of its divisors is an integer number (77052572512231).

Almost surely, 2^{154105145024461} is an apocalyptic number.

It is an amenable number.

154105145024461 is a deficient number, since it is larger than the sum of its proper divisors (1).

154105145024461 is an equidigital number, since it uses as much as digits as its factorization.

154105145024461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 154105145024461 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred forty-five million, twenty-four thousand, four hundred sixty-one".