162151 has 4 divisors (see below), whose sum is σ = 176904. Its totient is φ = 147400.

The previous prime is 162143. The next prime is 162209. The reversal of 162151 is 151261.

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: 151261 = 11 ⋅13751.

It is not a de Polignac number, because 162151 - 2³ = 162143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162251) 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, 7360 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (44226).

2¹⁶²¹⁵¹ is an apocalyptic number.

162151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162151 is a deficient number, since it is larger than the sum of its proper divisors (14753).

162151 is a wasteful number, since it uses less digits than its factorization.

162151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14752.

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

The square root of 162151 is about 402.6797735174. The cubic root of 162151 is about 54.5305498839.

It can be divided in two parts, 162 and 151, that added together give a palindrome (313).

The spelling of 162151 in words is "one hundred sixty-two thousand, one hundred fifty-one".