154450555513 has 2 divisors, whose sum is σ = 154450555514. Its totient is φ = 154450555512.

The previous prime is 154450555453. The next prime is 154450555529. The reversal of 154450555513 is 315555054451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139250624569 + 15199930944 = 373163^2 + 123288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154450555513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154450555513.

It is not a weakly prime, because it can be changed into another prime (154450555573) 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, 77225277756 + 77225277757.

It is an arithmetic number, because the mean of its divisors is an integer number (77225277757).

Almost surely, 2^154450555513 is an apocalyptic number.

It is an amenable number.

154450555513 is a deficient number, since it is larger than the sum of its proper divisors (1).

154450555513 is an equidigital number, since it uses as much as digits as its factorization.

154450555513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 154450555513 in words is "one hundred fifty-four billion, four hundred fifty million, five hundred fifty-five thousand, five hundred thirteen".