312146 has 8 divisors (see below), whose sum is σ = 473340. Its totient is φ = 154368.

The previous prime is 312121. The next prime is 312161. The reversal of 312146 is 641213.

It can be written as a sum of positive squares in 2 ways, for example, as 286225 + 25921 = 535^2 + 161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312146.

It is an unprimeable number.

312146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 998.

2³¹²¹⁴⁶ is an apocalyptic number.

312146 is a deficient number, since it is larger than the sum of its proper divisors (161194).

312146 is a wasteful number, since it uses less digits than its factorization.

312146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its digits is 144, while the sum is 17.

The square root of 312146 is about 558.7002774297. The cubic root of 312146 is about 67.8348066308.

Adding to 312146 its reverse (641213), we get a palindrome (953359).

The spelling of 312146 in words is "three hundred twelve thousand, one hundred forty-six".