313616145 has 8 divisors (see below), whose sum is σ = 501785856. Its totient is φ = 167261936.

The previous prime is 313616141. The next prime is 313616161. The reversal of 313616145 is 541616313.

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 313616145 - 2² = 313616141 is a prime.

It is a super-2 number, since 2×313616145² = 196710172809322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313616141) 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, 10453857 + ... + 10453886.

It is an arithmetic number, because the mean of its divisors is an integer number (62723232).

Almost surely, 2^313616145 is an apocalyptic number.

It is an amenable number.

313616145 is a deficient number, since it is larger than the sum of its proper divisors (188169711).

313616145 is a wasteful number, since it uses less digits than its factorization.

313616145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20907751.

The product of its digits is 6480, while the sum is 30.

The square root of 313616145 is about 17709.2107390476. The cubic root of 313616145 is about 679.4113598252.

The spelling of 313616145 in words is "three hundred thirteen million, six hundred sixteen thousand, one hundred forty-five".