162144313 has 4 divisors (see below), whose sum is σ = 165594240. Its totient is φ = 158694388.

The previous prime is 162144287. The next prime is 162144337. The reversal of 162144313 is 313441261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162144313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162141313) 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, 1724893 + ... + 1724986.

It is an arithmetic number, because the mean of its divisors is an integer number (41398560).

Almost surely, 2^162144313 is an apocalyptic number.

It is an amenable number.

162144313 is a deficient number, since it is larger than the sum of its proper divisors (3449927).

162144313 is an equidigital number, since it uses as much as digits as its factorization.

162144313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449926.

The product of its digits is 1728, while the sum is 25.

The square root of 162144313 is about 12733.5899494212. The cubic root of 162144313 is about 545.2980027229.

Adding to 162144313 its reverse (313441261), we get a palindrome (475585574).

The spelling of 162144313 in words is "one hundred sixty-two million, one hundred forty-four thousand, three hundred thirteen".