154121153 has 2 divisors, whose sum is σ = 154121154. Its totient is φ = 154121152.

The previous prime is 154121117. The next prime is 154121161. The reversal of 154121153 is 351121451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 22972849 = 11452^2 + 4793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154121153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77060576 + 77060577.

It is an arithmetic number, because the mean of its divisors is an integer number (77060577).

Almost surely, 2^154121153 is an apocalyptic number.

It is an amenable number.

154121153 is a deficient number, since it is larger than the sum of its proper divisors (1).

154121153 is an equidigital number, since it uses as much as digits as its factorization.

154121153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 154121153 is about 12414.5540797888. The cubic root of 154121153 is about 536.1513655542.

The spelling of 154121153 in words is "one hundred fifty-four million, one hundred twenty-one thousand, one hundred fifty-three".