154140413165 has 4 divisors (see below), whose sum is σ = 184968495804. Its totient is φ = 123312330528.

The previous prime is 154140413149. The next prime is 154140413191. The reversal of 154140413165 is 561314041451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85941612964 + 68198800201 = 293158^2 + 261149^2 .

It is a cyclic number.

It is not a de Polignac number, because 154140413165 - 2⁴ = 154140413149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15414041312 + ... + 15414041321.

It is an arithmetic number, because the mean of its divisors is an integer number (46242123951).

Almost surely, 2^154140413165 is an apocalyptic number.

It is an amenable number.

154140413165 is a deficient number, since it is larger than the sum of its proper divisors (30828082639).

154140413165 is an equidigital number, since it uses as much as digits as its factorization.

154140413165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828082638.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 154140413165 in words is "one hundred fifty-four billion, one hundred forty million, four hundred thirteen thousand, one hundred sixty-five".