4545239 has 8 divisors (see below), whose sum is σ = 4844448. Its totient is φ = 4249600.

The previous prime is 4545223. The next prime is 4545241. The reversal of 4545239 is 9325454.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4545239 - 2⁴ = 4545223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (605556).

Almost surely, 2^4545239 is an apocalyptic number.

4545239 is a deficient number, since it is larger than the sum of its proper divisors (299209).

4545239 is a wasteful number, since it uses less digits than its factorization.

4545239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its digits is 21600, while the sum is 32.

The square root of 4545239 is about 2131.9566130670. The cubic root of 4545239 is about 165.6477628142.

The spelling of 4545239 in words is "four million, five hundred forty-five thousand, two hundred thirty-nine".