4345345 has 4 divisors (see below), whose sum is σ = 5214420. Its totient is φ = 3476272.

The previous prime is 4345343. The next prime is 4345349. The reversal of 4345345 is 5435434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 2471184 = 1369^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345345 - 2¹ = 4345343 is a prime.

4345345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4345343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434530 + ... + 434539.

It is an arithmetic number, because the mean of its divisors is an integer number (1303605).

Almost surely, 2^4345345 is an apocalyptic number.

It is an amenable number.

4345345 is a deficient number, since it is larger than the sum of its proper divisors (869075).

4345345 is an equidigital number, since it uses as much as digits as its factorization.

4345345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869074.

The product of its digits is 14400, while the sum is 28.

The square root of 4345345 is about 2084.5491119185. The cubic root of 4345345 is about 163.1829403744.

The spelling of 4345345 in words is "four million, three hundred forty-five thousand, three hundred forty-five".