4539745 has 8 divisors (see below), whose sum is σ = 6225984. Its totient is φ = 3112944.

The previous prime is 4539739. The next prime is 4539749. The reversal of 4539745 is 5479354.

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 4539745 - 2³ = 4539737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4539749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64819 + ... + 64888.

It is an arithmetic number, because the mean of its divisors is an integer number (778248).

Almost surely, 2^4539745 is an apocalyptic number.

It is an amenable number.

4539745 is a deficient number, since it is larger than the sum of its proper divisors (1686239).

4539745 is a wasteful number, since it uses less digits than its factorization.

4539745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129719.

The product of its digits is 75600, while the sum is 37.

The square root of 4539745 is about 2130.6677357110. The cubic root of 4539745 is about 165.5809943610.

The spelling of 4539745 in words is "four million, five hundred thirty-nine thousand, seven hundred forty-five".