162039 has 4 divisors (see below), whose sum is σ = 216056. Its totient is φ = 108024.

The previous prime is 162017. The next prime is 162053. The reversal of 162039 is 930261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930261 = 3 ⋅310087.

It is not a de Polignac number, because 162039 - 2⁵ = 162007 is a prime.

It is a D-number.

It is a Duffinian number.

162039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162059) 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, 27004 + ... + 27009.

It is an arithmetic number, because the mean of its divisors is an integer number (54014).

2¹⁶²⁰³⁹ is an apocalyptic number.

162039 is a deficient number, since it is larger than the sum of its proper divisors (54017).

162039 is an equidigital number, since it uses as much as digits as its factorization.

162039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54016.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 162039 is about 402.5406811740. The cubic root of 162039 is about 54.5179919835.

The spelling of 162039 in words is "one hundred sixty-two thousand, thirty-nine".