316087445 has 8 divisors (see below), whose sum is σ = 384501336. Its totient is φ = 249405696.

The previous prime is 316087427. The next prime is 316087451. The reversal of 316087445 is 544780613.

It can be written as a sum of positive squares in 4 ways, for example, as 34586161 + 281501284 = 5881^2 + 16778^2 .

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 316087445 - 2⁶ = 316087381 is a prime.

It is a super-2 number, since 2×316087445² = 199822545773256050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316087399 and 316087408.

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, 432632 + ... + 433361.

It is an arithmetic number, because the mean of its divisors is an integer number (48062667).

Almost surely, 2^316087445 is an apocalyptic number.

It is an amenable number.

316087445 is a deficient number, since it is larger than the sum of its proper divisors (68413891).

316087445 is an equidigital number, since it uses as much as digits as its factorization.

316087445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866071.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 316087445 is about 17778.8482472853. The cubic root of 316087445 is about 681.1912833270.

The spelling of 316087445 in words is "three hundred sixteen million, eighty-seven thousand, four hundred forty-five".