3145369 has 4 divisors (see below), whose sum is σ = 3253860. Its totient is φ = 3036880.

The previous prime is 3145367. The next prime is 3145399. The reversal of 3145369 is 9635413.

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 931225 + 2214144 = 965^2 + 1488^2 .

It is not a de Polignac number, because 3145369 - 2¹ = 3145367 is a prime.

It is a super-2 number, since 2×3145369² = 19786692292322, which contains 22 as substring.

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 a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145369.

It is not an unprimeable number, because it can be changed into a prime (3145361) 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, 54202 + ... + 54259.

It is an arithmetic number, because the mean of its divisors is an integer number (813465).

Almost surely, 2^3145369 is an apocalyptic number.

It is an amenable number.

3145369 is a deficient number, since it is larger than the sum of its proper divisors (108491).

3145369 is a wasteful number, since it uses less digits than its factorization.

3145369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108490.

The product of its digits is 9720, while the sum is 31.

The square root of 3145369 is about 1773.5188186202. The cubic root of 3145369 is about 146.5178489359.

The spelling of 3145369 in words is "three million, one hundred forty-five thousand, three hundred sixty-nine".