4452345 has 24 divisors (see below), whose sum is σ = 7777536. Its totient is φ = 2356128.

The previous prime is 4452337. The next prime is 4452347. The reversal of 4452345 is 5432544.

It is not a de Polignac number, because 4452345 - 2³ = 4452337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4452347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7032 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (324064).

Almost surely, 2^4452345 is an apocalyptic number.

4452345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4452345 is a deficient number, since it is larger than the sum of its proper divisors (3325191).

4452345 is a wasteful number, since it uses less digits than its factorization.

4452345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 4452345 is about 2110.0580560733. The cubic root of 4452345 is about 164.5115028464.

Adding to 4452345 its reverse (5432544), we get a palindrome (9884889).

The spelling of 4452345 in words is "four million, four hundred fifty-two thousand, three hundred forty-five".