154514154121 has 2 divisors, whose sum is σ = 154514154122. Its totient is φ = 154514154120.

The previous prime is 154514154101. The next prime is 154514154131. The reversal of 154514154121 is 121451415451.

154514154121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119138186896 + 35375967225 = 345164^2 + 188085^2 .

It is a cyclic number.

It is not a de Polignac number, because 154514154121 - 2⁵ = 154514154089 is a prime.

It is not a weakly prime, because it can be changed into another prime (154514154101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77257077060 + 77257077061.

It is an arithmetic number, because the mean of its divisors is an integer number (77257077061).

Almost surely, 2^154514154121 is an apocalyptic number.

It is an amenable number.

154514154121 is a deficient number, since it is larger than the sum of its proper divisors (1).

154514154121 is an equidigital number, since it uses as much as digits as its factorization.

154514154121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16000, while the sum is 34.

Adding to 154514154121 its reverse (121451415451), we get a palindrome (275965569572).

The spelling of 154514154121 in words is "one hundred fifty-four billion, five hundred fourteen million, one hundred fifty-four thousand, one hundred twenty-one".