3578145 has 16 divisors (see below), whose sum is σ = 5778432. Its totient is φ = 1890560.

The previous prime is 3578131. The next prime is 3578149. The reversal of 3578145 is 5418753.

It is not a de Polignac number, because 3578145 - 2⁴ = 3578129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3578149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^3578145 is an apocalyptic number.

It is an amenable number.

3578145 is a deficient number, since it is larger than the sum of its proper divisors (2200287).

3578145 is a wasteful number, since it uses less digits than its factorization.

3578145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 16800, while the sum is 33.

The square root of 3578145 is about 1891.5985303441. The cubic root of 3578145 is about 152.9511142893.

The spelling of 3578145 in words is "three million, five hundred seventy-eight thousand, one hundred forty-five".