3545845 has 8 divisors (see below), whose sum is σ = 4283064. Its totient is φ = 2817984.

The previous prime is 3545831. The next prime is 3545851. The reversal of 3545845 is 5485453.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 3470769 = 274^2 + 1863^2 .

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 3545845 - 2¹¹ = 3543797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3545845.

It is a congruent 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, 1474 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (535383).

Almost surely, 2^3545845 is an apocalyptic number.

It is an amenable number.

3545845 is a deficient number, since it is larger than the sum of its proper divisors (737219).

3545845 is a wasteful number, since it uses less digits than its factorization.

3545845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679.

The product of its digits is 48000, while the sum is 34.

The square root of 3545845 is about 1883.0414228051. The cubic root of 3545845 is about 152.4894913479.

The spelling of 3545845 in words is "three million, five hundred forty-five thousand, eight hundred forty-five".