154143732189001 has 2 divisors, whose sum is σ = 154143732189002. Its totient is φ = 154143732189000.

The previous prime is 154143732188987. The next prime is 154143732189017. The reversal of 154143732189001 is 100981237341451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152420876433225 + 1722855755776 = 12345885^2 + 1312576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154143732189001 is a prime.

It is not a weakly prime, because it can be changed into another prime (154143732189401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77071866094500 + 77071866094501.

It is an arithmetic number, because the mean of its divisors is an integer number (77071866094501).

Almost surely, 2^{154143732189001} is an apocalyptic number.

It is an amenable number.

154143732189001 is a deficient number, since it is larger than the sum of its proper divisors (1).

154143732189001 is an equidigital number, since it uses as much as digits as its factorization.

154143732189001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 154143732189001 in words is "one hundred fifty-four trillion, one hundred forty-three billion, seven hundred thirty-two million, one hundred eighty-nine thousand, one".