316390045 has 8 divisors (see below), whose sum is σ = 379763640. Its totient is φ = 253048320.

The previous prime is 316390031. The next prime is 316390057. The reversal of 316390045 is 540093613.

It can be written as a sum of positive squares in 4 ways, for example, as 27594009 + 288796036 = 5253^2 + 16994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316390045 - 2⁷ = 316389917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316389989 and 316390016.

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, 33621 + ... + 41989.

It is an arithmetic number, because the mean of its divisors is an integer number (47470455).

Almost surely, 2^316390045 is an apocalyptic number.

It is an amenable number.

316390045 is a deficient number, since it is larger than the sum of its proper divisors (63373595).

316390045 is an equidigital number, since it uses as much as digits as its factorization.

316390045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 316390045 is about 17787.3563240859. The cubic root of 316390045 is about 681.4085889523.

The spelling of 316390045 in words is "three hundred sixteen million, three hundred ninety thousand, forty-five".