465323144 has 64 divisors (see below), whose sum is σ = 1058158080. Its totient is φ = 188928000.

The previous prime is 465323141. The next prime is 465323179. The reversal of 465323144 is 441323564.

It is a self number, because there is not a number n which added to its sum of digits gives 465323144.

It is not an unprimeable number, because it can be changed into a prime (465323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28904 + ... + 42024.

It is an arithmetic number, because the mean of its divisors is an integer number (16533720).

Almost surely, 2^465323144 is an apocalyptic number.

465323144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 465323144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529079040).

465323144 is an abundant number, since it is smaller than the sum of its proper divisors (592834936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

465323144 is a wasteful number, since it uses less digits than its factorization.

465323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13178 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 465323144 is about 21571.3500736509. The cubic root of 465323144 is about 774.9105100970.

The spelling of 465323144 in words is "four hundred sixty-five million, three hundred twenty-three thousand, one hundred forty-four".