154322542961 has 2 divisors, whose sum is σ = 154322542962. Its totient is φ = 154322542960.

The previous prime is 154322542909. The next prime is 154322543149. The reversal of 154322542961 is 169245223451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112254481936 + 42068061025 = 335044^2 + 205105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154322542961 is a prime.

It is not a weakly prime, because it can be changed into another prime (154321542961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77161271480 + 77161271481.

It is an arithmetic number, because the mean of its divisors is an integer number (77161271481).

Almost surely, 2^154322542961 is an apocalyptic number.

It is an amenable number.

154322542961 is a deficient number, since it is larger than the sum of its proper divisors (1).

154322542961 is an equidigital number, since it uses as much as digits as its factorization.

154322542961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 154322542961 in words is "one hundred fifty-four billion, three hundred twenty-two million, five hundred forty-two thousand, nine hundred sixty-one".