324120445 has 16 divisors (see below), whose sum is σ = 427161600. Its totient is φ = 234136000.

The previous prime is 324120437. The next prime is 324120451. The reversal of 324120445 is 544021423.

It is a happy number.

It is not a de Polignac number, because 324120445 - 2³ = 324120437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11581 + ... + 27970.

It is an arithmetic number, because the mean of its divisors is an integer number (26697600).

Almost surely, 2^324120445 is an apocalyptic number.

It is an amenable number.

324120445 is a deficient number, since it is larger than the sum of its proper divisors (103041155).

324120445 is a wasteful number, since it uses less digits than its factorization.

324120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39716.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 324120445 is about 18003.3453835669. The cubic root of 324120445 is about 686.9136430787.

Adding to 324120445 its reverse (544021423), we get a palindrome (868141868).

The spelling of 324120445 in words is "three hundred twenty-four million, one hundred twenty thousand, four hundred forty-five".