3145895 has 8 divisors (see below), whose sum is σ = 3788304. Its totient is φ = 2507904.

The previous prime is 3145873. The next prime is 3145897. The reversal of 3145895 is 5985413.

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 3145895 - 2¹⁰ = 3144871 is a prime.

It is a d-powerful number, because it can be written as 3³ + 1 + 4¹⁰ + 5 + 8⁷ + 9 + 5³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145897) 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 7 ways as a sum of consecutive naturals, for example, 752 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (473538).

Almost surely, 2^3145895 is an apocalyptic number.

3145895 is a deficient number, since it is larger than the sum of its proper divisors (642409).

3145895 is a wasteful number, since it uses less digits than its factorization.

3145895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its digits is 21600, while the sum is 35.

The square root of 3145895 is about 1773.6671051807. The cubic root of 3145895 is about 146.5260158731.

The spelling of 3145895 in words is "three million, one hundred forty-five thousand, eight hundred ninety-five".