162144447 has 8 divisors (see below), whose sum is σ = 216414720. Its totient is φ = 107985240.

The previous prime is 162144431. The next prime is 162144509. The reversal of 162144447 is 744441261.

162144447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162144447 - 2⁴ = 162144431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162144247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24297 + ... + 30242.

It is an arithmetic number, because the mean of its divisors is an integer number (27051840).

Almost surely, 2^162144447 is an apocalyptic number.

162144447 is a deficient number, since it is larger than the sum of its proper divisors (54270273).

162144447 is an equidigital number, since it uses as much as digits as its factorization.

162144447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55533.

The product of its digits is 21504, while the sum is 33.

The square root of 162144447 is about 12733.5952110942. The cubic root of 162144447 is about 545.2981529387.

The spelling of 162144447 in words is "one hundred sixty-two million, one hundred forty-four thousand, four hundred forty-seven".