3163145 has 4 divisors (see below), whose sum is σ = 3795780. Its totient is φ = 2530512.

The previous prime is 3163141. The next prime is 3163157. The reversal of 3163145 is 5413613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5413613 = 19 ⋅284927.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 1247689 = 1384^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 3163145 - 2² = 3163141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3163145.

It is not an unprimeable number, because it can be changed into a prime (3163141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316310 + ... + 316319.

It is an arithmetic number, because the mean of its divisors is an integer number (948945).

Almost surely, 2^3163145 is an apocalyptic number.

It is an amenable number.

3163145 is a deficient number, since it is larger than the sum of its proper divisors (632635).

3163145 is an equidigital number, since it uses as much as digits as its factorization.

3163145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632634.

The product of its digits is 1080, while the sum is 23.

The square root of 3163145 is about 1778.5232638344. The cubic root of 3163145 is about 146.7933449851.

Adding to 3163145 its reverse (5413613), we get a palindrome (8576758).

The spelling of 3163145 in words is "three million, one hundred sixty-three thousand, one hundred forty-five".