162147 has 4 divisors (see below), whose sum is σ = 216200. Its totient is φ = 108096.

The previous prime is 162143. The next prime is 162209. The reversal of 162147 is 741261.

162147 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741261 = 3 ⋅247087.

It is not a de Polignac number, because 162147 - 2² = 162143 is a prime.

It is a D-number.

It is a Duffinian number.

162147 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (162143) 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, 27022 + ... + 27027.

It is an arithmetic number, because the mean of its divisors is an integer number (54050).

2¹⁶²¹⁴⁷ is an apocalyptic number.

162147 is a deficient number, since it is larger than the sum of its proper divisors (54053).

162147 is an equidigital number, since it uses as much as digits as its factorization.

162147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54052.

The product of its digits is 336, while the sum is 21.

The square root of 162147 is about 402.6748067610. The cubic root of 162147 is about 54.5301014870.

The spelling of 162147 in words is "one hundred sixty-two thousand, one hundred forty-seven".