154998241 has 2 divisors, whose sum is σ = 154998242. Its totient is φ = 154998240.

The previous prime is 154998161. The next prime is 154998247. The reversal of 154998241 is 142899451.

154998241 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., 132710400 + 22287841 = 11520^2 + 4721^2 .

It is a cyclic number.

It is not a de Polignac number, because 154998241 - 2⁹ = 154997729 is a prime.

It is not a weakly prime, because it can be changed into another prime (154998247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77499120 + 77499121.

It is an arithmetic number, because the mean of its divisors is an integer number (77499121).

Almost surely, 2^154998241 is an apocalyptic number.

It is an amenable number.

154998241 is a deficient number, since it is larger than the sum of its proper divisors (1).

154998241 is an equidigital number, since it uses as much as digits as its factorization.

154998241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 154998241 is about 12449.8289546483. The cubic root of 154998241 is about 537.1665034880.

The spelling of 154998241 in words is "one hundred fifty-four million, nine hundred ninety-eight thousand, two hundred forty-one".