154552133 has 2 divisors, whose sum is σ = 154552134. Its totient is φ = 154552132.

The previous prime is 154552129. The next prime is 154552147. The reversal of 154552133 is 331255451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150234049 + 4318084 = 12257^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 154552133 - 2² = 154552129 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154552096 and 154552105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154552163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77276066 + 77276067.

It is an arithmetic number, because the mean of its divisors is an integer number (77276067).

Almost surely, 2^154552133 is an apocalyptic number.

It is an amenable number.

154552133 is a deficient number, since it is larger than the sum of its proper divisors (1).

154552133 is an equidigital number, since it uses as much as digits as its factorization.

154552133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 154552133 is about 12431.8998145899. The cubic root of 154552133 is about 536.6506599052.

The spelling of 154552133 in words is "one hundred fifty-four million, five hundred fifty-two thousand, one hundred thirty-three".