154450555253 has 2 divisors, whose sum is σ = 154450555254. Its totient is φ = 154450555252.

The previous prime is 154450555241. The next prime is 154450555289. The reversal of 154450555253 is 352555054451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84671106289 + 69779448964 = 290983^2 + 264158^2 .

It is a cyclic number.

It is not a de Polignac number, because 154450555253 - 2⁸ = 154450554997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154450555453) 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, 77225277626 + 77225277627.

It is an arithmetic number, because the mean of its divisors is an integer number (77225277627).

Almost surely, 2^154450555253 is an apocalyptic number.

It is an amenable number.

154450555253 is a deficient number, since it is larger than the sum of its proper divisors (1).

154450555253 is an equidigital number, since it uses as much as digits as its factorization.

154450555253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 154450555253 in words is "one hundred fifty-four billion, four hundred fifty million, five hundred fifty-five thousand, two hundred fifty-three".