162455 has 4 divisors (see below), whose sum is σ = 194952. Its totient is φ = 129960.

The previous prime is 162451. The next prime is 162457. The reversal of 162455 is 554261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554261 = 131 ⋅4231.

It is not a de Polignac number, because 162455 - 2² = 162451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162451) 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, 16241 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (48738).

2¹⁶²⁴⁵⁵ is an apocalyptic number.

162455 is a deficient number, since it is larger than the sum of its proper divisors (32497).

162455 is an equidigital number, since it uses as much as digits as its factorization.

162455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496.

The product of its digits is 1200, while the sum is 23.

The square root of 162455 is about 403.0570679197. The cubic root of 162455 is about 54.5646064901.

It can be divided in two parts, 16245 and 5, that multiplied together give a square (81225 = 285²).

The spelling of 162455 in words is "one hundred sixty-two thousand, four hundred fifty-five".