154105134143533 has 2 divisors, whose sum is σ = 154105134143534. Its totient is φ = 154105134143532.

The previous prime is 154105134143509. The next prime is 154105134143551. The reversal of 154105134143533 is 335341431501451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102115006408809 + 51990127734724 = 10105197^2 + 7210418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154105134143533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154105134143533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154105134143333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77052567071766 + 77052567071767.

It is an arithmetic number, because the mean of its divisors is an integer number (77052567071767).

Almost surely, 2^{154105134143533} is an apocalyptic number.

It is an amenable number.

154105134143533 is a deficient number, since it is larger than the sum of its proper divisors (1).

154105134143533 is an equidigital number, since it uses as much as digits as its factorization.

154105134143533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 154105134143533 its reverse (335341431501451), we get a palindrome (489446565644984).

The spelling of 154105134143533 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred thirty-four million, one hundred forty-three thousand, five hundred thirty-three".