154364009 has 2 divisors, whose sum is σ = 154364010. Its totient is φ = 154364008.

The previous prime is 154363967. The next prime is 154364033. The reversal of 154364009 is 900463451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 45265984 = 10445^2 + 6728^2 .

It is a cyclic number.

It is not a de Polignac number, because 154364009 - 2⁸ = 154363753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154364059) 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, 77182004 + 77182005.

It is an arithmetic number, because the mean of its divisors is an integer number (77182005).

Almost surely, 2^154364009 is an apocalyptic number.

It is an amenable number.

154364009 is a deficient number, since it is larger than the sum of its proper divisors (1).

154364009 is an equidigital number, since it uses as much as digits as its factorization.

154364009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 154364009 is about 12424.3313300958. The cubic root of 154364009 is about 536.4328307996.

The spelling of 154364009 in words is "one hundred fifty-four million, three hundred sixty-four thousand, nine".