154098449 has 2 divisors, whose sum is σ = 154098450. Its totient is φ = 154098448.

The previous prime is 154098437. The next prime is 154098463. The reversal of 154098449 is 944890451.

154098449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102718225 + 51380224 = 10135^2 + 7168^2 .

It is a cyclic number.

It is not a de Polignac number, because 154098449 - 2¹⁶ = 154032913 is a prime.

It is not a weakly prime, because it can be changed into another prime (154098479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77049224 + 77049225.

It is an arithmetic number, because the mean of its divisors is an integer number (77049225).

Almost surely, 2^154098449 is an apocalyptic number.

It is an amenable number.

154098449 is a deficient number, since it is larger than the sum of its proper divisors (1).

154098449 is an equidigital number, since it uses as much as digits as its factorization.

154098449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 154098449 is about 12413.6396354977. The cubic root of 154098449 is about 536.1250369633.

The spelling of 154098449 in words is "one hundred fifty-four million, ninety-eight thousand, four hundred forty-nine".