162544523 has 4 divisors (see below), whose sum is σ = 162830760. Its totient is φ = 162258288.

The previous prime is 162544513. The next prime is 162544561. The reversal of 162544523 is 325445261.

162544523 is digitally balanced in base 2, 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: 325445261 = 419 ⋅776719.

It is a cyclic number.

It is not a de Polignac number, because 162544523 - 2²² = 158350219 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 162544523.

It is not an unprimeable number, because it can be changed into a prime (162544513) 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, 142265 + ... + 143402.

It is an arithmetic number, because the mean of its divisors is an integer number (40707690).

Almost surely, 2^162544523 is an apocalyptic number.

162544523 is a deficient number, since it is larger than the sum of its proper divisors (286237).

162544523 is an equidigital number, since it uses as much as digits as its factorization.

162544523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286236.

The product of its digits is 28800, while the sum is 32.

The square root of 162544523 is about 12749.2950001167. The cubic root of 162544523 is about 545.7462750158.

Adding to 162544523 its reverse (325445261), we get a palindrome (487989784).

The spelling of 162544523 in words is "one hundred sixty-two million, five hundred forty-four thousand, five hundred twenty-three".