152161 has 4 divisors (see below), whose sum is σ = 154800. Its totient is φ = 149524.

The previous prime is 152147. The next prime is 152183. The reversal of 152161 is 161251.

It is a happy number.

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: 161251 = 113 ⋅1427.

It is a cyclic number.

It is not a de Polignac number, because 152161 - 2¹⁷ = 21089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (38700).

2¹⁵²¹⁶¹ is an apocalyptic number.

It is an amenable number.

152161 is a deficient number, since it is larger than the sum of its proper divisors (2639).

152161 is an equidigital number, since it uses as much as digits as its factorization.

152161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

The product of its digits is 60, while the sum is 16.

The square root of 152161 is about 390.0781972887. The cubic root of 152161 is about 53.3868689863.

It can be divided in two parts, 152 and 161, that added together give a palindrome (313).

The spelling of 152161 in words is "one hundred fifty-two thousand, one hundred sixty-one".