845424499 has 8 divisors (see below), whose sum is σ = 852756480. Its totient is φ = 838124616.

The previous prime is 845424497. The next prime is 845424509. The reversal of 845424499 is 994424548.

It is a happy number.

845424499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 845424499 - 2¹ = 845424497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845424493) 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, 46462 + ... + 62044.

It is an arithmetic number, because the mean of its divisors is an integer number (106594560).

Almost surely, 2^845424499 is an apocalyptic number.

845424499 is a deficient number, since it is larger than the sum of its proper divisors (7331981).

845424499 is a wasteful number, since it uses less digits than its factorization.

845424499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049.

The product of its digits is 1658880, while the sum is 49.

The square root of 845424499 is about 29076.1843954808. The cubic root of 845424499 is about 945.5654814715.

Adding to 845424499 its sum of digits (49), we get a palindrome (845424548).

The spelling of 845424499 in words is "eight hundred forty-five million, four hundred twenty-four thousand, four hundred ninety-nine".