45323320 has 32 divisors (see below), whose sum is σ = 116546400. Its totient is φ = 15539328.

The previous prime is 45323297. The next prime is 45323323. The reversal of 45323320 is 2332354.

It is a junction number, because it is equal to n+sod(n) for n = 45323291 and 45323300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45323323) 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, 80655 + ... + 81214.

It is an arithmetic number, because the mean of its divisors is an integer number (3642075).

Almost surely, 2^45323320 is an apocalyptic number.

45323320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45323320 is an abundant number, since it is smaller than the sum of its proper divisors (71223080).

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

45323320 is a wasteful number, since it uses less digits than its factorization.

45323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161887 (or 161883 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 45323320 is about 6732.2596503700. The cubic root of 45323320 is about 356.5391611468.

Adding to 45323320 its reverse (2332354), we get a palindrome (47655674).

The spelling of 45323320 in words is "forty-five million, three hundred twenty-three thousand, three hundred twenty".