4551345 has 12 divisors (see below), whose sum is σ = 7889076. Its totient is φ = 2427360.

The previous prime is 4551343. The next prime is 4551353. The reversal of 4551345 is 5431554.

It can be written as a sum of positive squares in 2 ways, for example, as 2712609 + 1838736 = 1647^2 + 1356^2 .

It is not a de Polignac number, because 4551345 - 2¹ = 4551343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4551341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50526 + ... + 50615.

It is an arithmetic number, because the mean of its divisors is an integer number (657423).

Almost surely, 2^4551345 is an apocalyptic number.

4551345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4551345 is a deficient number, since it is larger than the sum of its proper divisors (3337731).

4551345 is a wasteful number, since it uses less digits than its factorization.

4551345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101152 (or 101149 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 4551345 is about 2133.3881503374. The cubic root of 4551345 is about 165.7219057917.

Adding to 4551345 its reverse (5431554), we get a palindrome (9982899).

The spelling of 4551345 in words is "four million, five hundred fifty-one thousand, three hundred forty-five".