316204645 has 8 divisors (see below), whose sum is σ = 379555704. Its totient is φ = 252890304.

The previous prime is 316204601. The next prime is 316204657. The reversal of 316204645 is 546402613.

It can be written as a sum of positive squares in 4 ways, for example, as 15737089 + 300467556 = 3967^2 + 17334^2 .

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 316204645 - 2¹³ = 316196453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16107 + ... + 29863.

It is an arithmetic number, because the mean of its divisors is an integer number (47444463).

Almost surely, 2^316204645 is an apocalyptic number.

It is an amenable number.

316204645 is a deficient number, since it is larger than the sum of its proper divisors (63351059).

316204645 is a wasteful number, since it uses less digits than its factorization.

316204645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18359.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 316204645 is about 17782.1439933434. The cubic root of 316204645 is about 681.2754644130.

The spelling of 316204645 in words is "three hundred sixteen million, two hundred four thousand, six hundred forty-five".