154133644069 has 2 divisors, whose sum is σ = 154133644070. Its totient is φ = 154133644068.

The previous prime is 154133644051. The next prime is 154133644123. The reversal of 154133644069 is 960446331451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154111204900 + 22439169 = 392570^2 + 4737^2 .

It is a cyclic number.

It is not a de Polignac number, because 154133644069 - 2²⁷ = 153999426341 is a prime.

It is a super-2 number, since 2×154133644069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154133644969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77066822034 + 77066822035.

It is an arithmetic number, because the mean of its divisors is an integer number (77066822035).

Almost surely, 2^154133644069 is an apocalyptic number.

It is an amenable number.

154133644069 is a deficient number, since it is larger than the sum of its proper divisors (1).

154133644069 is an equidigital number, since it uses as much as digits as its factorization.

154133644069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 154133644069 in words is "one hundred fifty-four billion, one hundred thirty-three million, six hundred forty-four thousand, sixty-nine".