152105161 has 4 divisors (see below), whose sum is σ = 163805572. Its totient is φ = 140404752.

The previous prime is 152105153. The next prime is 152105179. The reversal of 152105161 is 161501251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161501251 = 12503 ⋅12917.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 145443600 = 2581^2 + 12060^2 .

It is a cyclic number.

It is not a de Polignac number, because 152105161 - 2³ = 152105153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152105131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5850186 + ... + 5850211.

It is an arithmetic number, because the mean of its divisors is an integer number (40951393).

Almost surely, 2^152105161 is an apocalyptic number.

It is an amenable number.

152105161 is a deficient number, since it is larger than the sum of its proper divisors (11700411).

152105161 is a wasteful number, since it uses less digits than its factorization.

152105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700410.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 152105161 is about 12333.0921102536. The cubic root of 152105161 is about 533.8033767168.

The spelling of 152105161 in words is "one hundred fifty-two million, one hundred five thousand, one hundred sixty-one".