418145322 has 48 divisors (see below), whose sum is σ = 979132320. Its totient is φ = 118696032.

The previous prime is 418145317. The next prime is 418145327. The reversal of 418145322 is 223541814.

It is an interprime number because it is at equal distance from previous prime (418145317) and next prime (418145327).

It is a self number, because there is not a number n which added to its sum of digits gives 418145322.

It is not an unprimeable number, because it can be changed into a prime (418145327) 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 23 ways as a sum of consecutive naturals, for example, 41629 + ... + 50687.

It is an arithmetic number, because the mean of its divisors is an integer number (20398590).

Almost surely, 2^418145322 is an apocalyptic number.

418145322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 418145322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489566160).

418145322 is an abundant number, since it is smaller than the sum of its proper divisors (560986998).

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

418145322 is a wasteful number, since it uses less digits than its factorization.

418145322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235 (or 9228 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 418145322 is about 20448.6019571021. The cubic root of 418145322 is about 747.7832750735.

The spelling of 418145322 in words is "four hundred eighteen million, one hundred forty-five thousand, three hundred twenty-two".