322145455254 has 128 divisors (see below), whose sum is σ = 797301273600. Its totient is φ = 86437467648.

The previous prime is 322145455253. The next prime is 322145455301. The reversal of 322145455254 is 452554541223.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322145455253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16328604 + ... + 16348320.

It is an arithmetic number, because the mean of its divisors is an integer number (6228916200).

Almost surely, 2^322145455254 is an apocalyptic number.

322145455254 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 322145455254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398650636800).

322145455254 is an abundant number, since it is smaller than the sum of its proper divisors (475155818346).

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

322145455254 is a wasteful number, since it uses less digits than its factorization.

322145455254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227 (or 20213 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

Adding to 322145455254 its reverse (452554541223), we get a palindrome (774699996477).

The spelling of 322145455254 in words is "three hundred twenty-two billion, one hundred forty-five million, four hundred fifty-five thousand, two hundred fifty-four".