45326320 has 80 divisors (see below), whose sum is σ = 116367552. Its totient is φ = 16312320.

The previous prime is 45326317. The next prime is 45326327. The reversal of 45326320 is 2362354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45326327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42109 + ... + 43171.

Almost surely, 2^45326320 is an apocalyptic number.

45326320 is a gapful number since it is divisible by the number (40) 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 45326320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58183776).

45326320 is an abundant number, since it is smaller than the sum of its proper divisors (71041232).

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

45326320 is a wasteful number, since it uses less digits than its factorization.

45326320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 45326320 is about 6732.4824544888. The cubic root of 45326320 is about 356.5470275452.

Adding to 45326320 its reverse (2362354), we get a palindrome (47688674).

The spelling of 45326320 in words is "forty-five million, three hundred twenty-six thousand, three hundred twenty".