154230561427 has 2 divisors, whose sum is σ = 154230561428. Its totient is φ = 154230561426.

The previous prime is 154230561403. The next prime is 154230561481. The reversal of 154230561427 is 724165032451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154230561427 - 2¹⁹ = 154230037139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154230561427.

It is not a weakly prime, because it can be changed into another prime (154230561227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77115280713 + 77115280714.

It is an arithmetic number, because the mean of its divisors is an integer number (77115280714).

Almost surely, 2^154230561427 is an apocalyptic number.

154230561427 is a deficient number, since it is larger than the sum of its proper divisors (1).

154230561427 is an equidigital number, since it uses as much as digits as its factorization.

154230561427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 154230561427 its reverse (724165032451), we get a palindrome (878395593878).

The spelling of 154230561427 in words is "one hundred fifty-four billion, two hundred thirty million, five hundred sixty-one thousand, four hundred twenty-seven".