154122525413 has 2 divisors, whose sum is σ = 154122525414. Its totient is φ = 154122525412.

The previous prime is 154122525409. The next prime is 154122525421. The reversal of 154122525413 is 314525221451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82117779844 + 72004745569 = 286562^2 + 268337^2 .

It is a cyclic number.

It is not a de Polignac number, because 154122525413 - 2² = 154122525409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154122525463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77061262706 + 77061262707.

It is an arithmetic number, because the mean of its divisors is an integer number (77061262707).

Almost surely, 2^154122525413 is an apocalyptic number.

It is an amenable number.

154122525413 is a deficient number, since it is larger than the sum of its proper divisors (1).

154122525413 is an equidigital number, since it uses as much as digits as its factorization.

154122525413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 35.

Adding to 154122525413 its reverse (314525221451), we get a palindrome (468647746864).

The spelling of 154122525413 in words is "one hundred fifty-four billion, one hundred twenty-two million, five hundred twenty-five thousand, four hundred thirteen".