154155241 has 2 divisors, whose sum is σ = 154155242. Its totient is φ = 154155240.

The previous prime is 154155229. The next prime is 154155247. The reversal of 154155241 is 142551451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152275600 + 1879641 = 12340^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 154155241 - 2¹¹ = 154153193 is a prime.

It is not a weakly prime, because it can be changed into another prime (154155247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77077620 + 77077621.

It is an arithmetic number, because the mean of its divisors is an integer number (77077621).

Almost surely, 2^154155241 is an apocalyptic number.

It is an amenable number.

154155241 is a deficient number, since it is larger than the sum of its proper divisors (1).

154155241 is an equidigital number, since it uses as much as digits as its factorization.

154155241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 28.

The square root of 154155241 is about 12415.9269086122. The cubic root of 154155241 is about 536.1908906943.

The spelling of 154155241 in words is "one hundred fifty-four million, one hundred fifty-five thousand, two hundred forty-one".