3145312 has 24 divisors (see below), whose sum is σ = 6233976. Its totient is φ = 1562112.

The previous prime is 3145297. The next prime is 3145327. The reversal of 3145312 is 2135413.

It is an interprime number because it is at equal distance from previous prime (3145297) and next prime (3145327).

It is a self number, because there is not a number n which added to its sum of digits gives 3145312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7048 + ... + 7480.

It is an arithmetic number, because the mean of its divisors is an integer number (259749).

Almost surely, 2^3145312 is an apocalyptic number.

3145312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3145312 is a deficient number, since it is larger than the sum of its proper divisors (3088664).

3145312 is a wasteful number, since it uses less digits than its factorization.

3145312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 662 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 3145312 is about 1773.5027487997. The cubic root of 3145312 is about 146.5169638710.

The spelling of 3145312 in words is "three million, one hundred forty-five thousand, three hundred twelve".