315028445 has 16 divisors (see below), whose sum is σ = 400794480. Its totient is φ = 236888064.

The previous prime is 315028433. The next prime is 315028463. The reversal of 315028445 is 544820513.

It can be written as a sum of positive squares in 8 ways, for example, as 7166329 + 307862116 = 2677^2 + 17546^2 .

It is not a de Polignac number, because 315028445 - 2⁴ = 315028429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79061 + ... + 82949.

It is an arithmetic number, because the mean of its divisors is an integer number (25049655).

Almost surely, 2^315028445 is an apocalyptic number.

It is an amenable number.

315028445 is a deficient number, since it is larger than the sum of its proper divisors (85766035).

315028445 is a wasteful number, since it uses less digits than its factorization.

315028445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 315028445 is about 17749.0406783015. The cubic root of 315028445 is about 680.4296916562.

Adding to 315028445 its reverse (544820513), we get a palindrome (859848958).

The spelling of 315028445 in words is "three hundred fifteen million, twenty-eight thousand, four hundred forty-five".