154140413149 has 2 divisors, whose sum is σ = 154140413150. Its totient is φ = 154140413148.

The previous prime is 154140413129. The next prime is 154140413191. The reversal of 154140413149 is 941314041451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148365173124 + 5775240025 = 385182^2 + 75995^2 .

It is a cyclic number.

It is not a de Polignac number, because 154140413149 - 2²¹ = 154138315997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154140413129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77070206574 + 77070206575.

It is an arithmetic number, because the mean of its divisors is an integer number (77070206575).

Almost surely, 2^154140413149 is an apocalyptic number.

It is an amenable number.

154140413149 is a deficient number, since it is larger than the sum of its proper divisors (1).

154140413149 is an equidigital number, since it uses as much as digits as its factorization.

154140413149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 154140413149 in words is "one hundred fifty-four billion, one hundred forty million, four hundred thirteen thousand, one hundred forty-nine".