3558145 has 4 divisors (see below), whose sum is σ = 4269780. Its totient is φ = 2846512.

The previous prime is 3558133. The next prime is 3558167. The reversal of 3558145 is 5418553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361201 + 3196944 = 601^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 3558145 - 2¹⁵ = 3525377 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355810 + ... + 355819.

It is an arithmetic number, because the mean of its divisors is an integer number (1067445).

Almost surely, 2^3558145 is an apocalyptic number.

It is an amenable number.

3558145 is a deficient number, since it is larger than the sum of its proper divisors (711635).

3558145 is an equidigital number, since it uses as much as digits as its factorization.

3558145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711634.

The product of its digits is 12000, while the sum is 31.

The square root of 3558145 is about 1886.3045883420. The cubic root of 3558145 is about 152.6656088568.

The spelling of 3558145 in words is "three million, five hundred fifty-eight thousand, one hundred forty-five".