154120663 has 2 divisors, whose sum is σ = 154120664. Its totient is φ = 154120662.

The previous prime is 154120649. The next prime is 154120711. The reversal of 154120663 is 366021451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154120663 - 2¹³ = 154112471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154120613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77060331 + 77060332.

It is an arithmetic number, because the mean of its divisors is an integer number (77060332).

Almost surely, 2^154120663 is an apocalyptic number.

154120663 is a deficient number, since it is larger than the sum of its proper divisors (1).

154120663 is an equidigital number, since it uses as much as digits as its factorization.

154120663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 154120663 is about 12414.5343448717. The cubic root of 154120663 is about 536.1507973552.

The spelling of 154120663 in words is "one hundred fifty-four million, one hundred twenty thousand, six hundred sixty-three".