154332344641 has 2 divisors, whose sum is σ = 154332344642. Its totient is φ = 154332344640.

The previous prime is 154332344633. The next prime is 154332344651. The reversal of 154332344641 is 146443233451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139816914241 + 14515430400 = 373921^2 + 120480^2 .

It is a cyclic number.

It is not a de Polignac number, because 154332344641 - 2³ = 154332344633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154332344594 and 154332344603.

It is not a weakly prime, because it can be changed into another prime (154332344651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77166172320 + 77166172321.

It is an arithmetic number, because the mean of its divisors is an integer number (77166172321).

Almost surely, 2^154332344641 is an apocalyptic number.

It is an amenable number.

154332344641 is a deficient number, since it is larger than the sum of its proper divisors (1).

154332344641 is an equidigital number, since it uses as much as digits as its factorization.

154332344641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 40.

The spelling of 154332344641 in words is "one hundred fifty-four billion, three hundred thirty-two million, three hundred forty-four thousand, six hundred forty-one".