451323345 has 48 divisors (see below), whose sum is σ = 799021440. Its totient is φ = 217367040.

The previous prime is 451323331. The next prime is 451323349. The reversal of 451323345 is 543323154.

It is not a de Polignac number, because 451323345 - 2⁷ = 451323217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451323349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302361 + ... + 303849.

It is an arithmetic number, because the mean of its divisors is an integer number (16646280).

Almost surely, 2^451323345 is an apocalyptic number.

It is an amenable number.

451323345 is a deficient number, since it is larger than the sum of its proper divisors (347698095).

451323345 is a wasteful number, since it uses less digits than its factorization.

451323345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1675 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 451323345 is about 21244.3720782705. The cubic root of 451323345 is about 767.0598763251.

Adding to 451323345 its reverse (543323154), we get a palindrome (994646499).

The spelling of 451323345 in words is "four hundred fifty-one million, three hundred twenty-three thousand, three hundred forty-five".