4541945 has 8 divisors (see below), whose sum is σ = 5466120. Its totient is φ = 3623040.

The previous prime is 4541917. The next prime is 4541963. The reversal of 4541945 is 5491454.

It can be written as a sum of positive squares in 4 ways, for example, as 1692601 + 2849344 = 1301^2 + 1688^2 .

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-4541945 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 935 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (683265).

Almost surely, 2^4541945 is an apocalyptic number.

It is an amenable number.

4541945 is a deficient number, since it is larger than the sum of its proper divisors (924175).

4541945 is a wasteful number, since it uses less digits than its factorization.

4541945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635.

The product of its digits is 14400, while the sum is 32.

The square root of 4541945 is about 2131.1839432578. The cubic root of 4541945 is about 165.6077373725.

The spelling of 4541945 in words is "four million, five hundred forty-one thousand, nine hundred forty-five".