316378145 has 8 divisors (see below), whose sum is σ = 381622056. Its totient is φ = 251790336.

The previous prime is 316378141. The next prime is 316378151. The reversal of 316378145 is 541873613.

It can be written as a sum of positive squares in 4 ways, for example, as 8340544 + 308037601 = 2888^2 + 17551^2 .

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 316378145 - 2² = 316378141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316378099 and 316378108.

It is not an unprimeable number, because it can be changed into a prime (316378141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162962 + ... + 164891.

It is an arithmetic number, because the mean of its divisors is an integer number (47702757).

Almost surely, 2^316378145 is an apocalyptic number.

It is an amenable number.

316378145 is a deficient number, since it is larger than the sum of its proper divisors (65243911).

316378145 is a wasteful number, since it uses less digits than its factorization.

316378145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328051.

The product of its digits is 60480, while the sum is 38.

The square root of 316378145 is about 17787.0218136708. The cubic root of 316378145 is about 681.4000458433.

The spelling of 316378145 in words is "three hundred sixteen million, three hundred seventy-eight thousand, one hundred forty-five".