316538445 has 16 divisors (see below), whose sum is σ = 510108480. Its totient is φ = 167604864.

The previous prime is 316538413. The next prime is 316538449. The reversal of 316538445 is 544835613.

316538445 = 4185² + 4186² + ... + 4202².

It is not a de Polignac number, because 316538445 - 2⁵ = 316538413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316538449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73824 + ... + 77993.

It is an arithmetic number, because the mean of its divisors is an integer number (31881780).

Almost surely, 2^316538445 is an apocalyptic number.

It is an amenable number.

316538445 is a deficient number, since it is larger than the sum of its proper divisors (193570035).

316538445 is a wasteful number, since it uses less digits than its factorization.

316538445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151964.

The product of its digits is 172800, while the sum is 39.

The square root of 316538445 is about 17791.5273374716. The cubic root of 316538445 is about 681.5151085582.

The spelling of 316538445 in words is "three hundred sixteen million, five hundred thirty-eight thousand, four hundred forty-five".