3145775 has 12 divisors (see below), whose sum is σ = 4036200. Its totient is φ = 2429280.

The previous prime is 3145771. The next prime is 3145781. The reversal of 3145775 is 5775413.

It is not a de Polignac number, because 3145775 - 2² = 3145771 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (336350).

Almost surely, 2^3145775 is an apocalyptic number.

3145775 is a deficient number, since it is larger than the sum of its proper divisors (890425).

3145775 is a wasteful number, since it uses less digits than its factorization.

3145775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378 (or 4373 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 3145775 is about 1773.6332766387. The cubic root of 3145775 is about 146.5241527737.

The spelling of 3145775 in words is "three million, one hundred forty-five thousand, seven hundred seventy-five".