162149 has 4 divisors (see below), whose sum is σ = 174636. Its totient is φ = 149664.

The previous prime is 162143. The next prime is 162209. The reversal of 162149 is 941261.

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: 941261 = 193 ⋅4877.

It can be written as a sum of positive squares in 2 ways, for example, as 66049 + 96100 = 257^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 6224 + ... + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2¹⁶²¹⁴⁹ is an apocalyptic number.

It is an amenable number.

162149 is a deficient number, since it is larger than the sum of its proper divisors (12487).

162149 is a wasteful number, since it uses less digits than its factorization.

162149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its digits is 432, while the sum is 23.

The square root of 162149 is about 402.6772901468. The cubic root of 162149 is about 54.5303256864.

The spelling of 162149 in words is "one hundred sixty-two thousand, one hundred forty-nine".