4345645 has 8 divisors (see below), whose sum is σ = 5303520. Its totient is φ = 3417360.

The previous prime is 4345639. The next prime is 4345651. The reversal of 4345645 is 5465434.

It is an interprime number because it is at equal distance from previous prime (4345639) and next prime (4345651).

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

It is a de Polignac number, because none of the positive numbers 2^k-4345645 is a prime.

It is a super-3 number, since 3×4345645³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 4 + 3¹¹ + 4³ + 5⁹ + 6² + 4⁹ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7071 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (662940).

Almost surely, 2^4345645 is an apocalyptic number.

It is an amenable number.

4345645 is a deficient number, since it is larger than the sum of its proper divisors (957875).

4345645 is a wasteful number, since it uses less digits than its factorization.

4345645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its digits is 28800, while the sum is 31.

The square root of 4345645 is about 2084.6210686837. The cubic root of 4345645 is about 163.1866956386.

The spelling of 4345645 in words is "four million, three hundred forty-five thousand, six hundred forty-five".