4508945 has 16 divisors (see below), whose sum is σ = 6317568. Its totient is φ = 3024960.

The previous prime is 4508939. The next prime is 4508953. The reversal of 4508945 is 5498054.

It is not a de Polignac number, because 4508945 - 2²² = 314641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (394848).

Almost surely, 2^4508945 is an apocalyptic number.

It is an amenable number.

4508945 is a deficient number, since it is larger than the sum of its proper divisors (1808623).

4508945 is a wasteful number, since it uses less digits than its factorization.

4508945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4508945 is about 2123.4276535828. The cubic root of 4508945 is about 165.2056816694.

The spelling of 4508945 in words is "four million, five hundred eight thousand, nine hundred forty-five".