154220332027 has 2 divisors, whose sum is σ = 154220332028. Its totient is φ = 154220332026.

The previous prime is 154220332003. The next prime is 154220332061. The reversal of 154220332027 is 720233022451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154220332027 - 2¹¹ = 154220329979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154220332027.

It is not a weakly prime, because it can be changed into another prime (154220332087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77110166013 + 77110166014.

It is an arithmetic number, because the mean of its divisors is an integer number (77110166014).

Almost surely, 2^154220332027 is an apocalyptic number.

154220332027 is a deficient number, since it is larger than the sum of its proper divisors (1).

154220332027 is an equidigital number, since it uses as much as digits as its factorization.

154220332027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 154220332027 its reverse (720233022451), we get a palindrome (874453354478).

The spelling of 154220332027 in words is "one hundred fifty-four billion, two hundred twenty million, three hundred thirty-two thousand, twenty-seven".