154140413161 has 4 divisors (see below), whose sum is σ = 176160472192. Its totient is φ = 132120354132.

The previous prime is 154140413149. The next prime is 154140413191. The reversal of 154140413161 is 161314041451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161314041451 = 134489 ⋅1199459.

It is a cyclic number.

It is not a de Polignac number, because 154140413161 - 2⁵ = 154140413129 is a prime.

It is a super-4 number, since 4×154140413161⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154140413191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010029505 + ... + 11010029518.

It is an arithmetic number, because the mean of its divisors is an integer number (44040118048).

Almost surely, 2^154140413161 is an apocalyptic number.

It is an amenable number.

154140413161 is a deficient number, since it is larger than the sum of its proper divisors (22020059031).

154140413161 is an equidigital number, since it uses as much as digits as its factorization.

154140413161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22020059030.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 154140413161 in words is "one hundred fifty-four billion, one hundred forty million, four hundred thirteen thousand, one hundred sixty-one".