315130445 has 64 divisors (see below), whose sum is σ = 476720640. Its totient is φ = 195084288.

The previous prime is 315130433. The next prime is 315130451. The reversal of 315130445 is 544031513.

It is a de Polignac number, because none of the positive numbers 2^k-315130445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2788709 + ... + 2788821.

It is an arithmetic number, because the mean of its divisors is an integer number (7448760).

Almost surely, 2^315130445 is an apocalyptic number.

315130445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315130445 is a deficient number, since it is larger than the sum of its proper divisors (161590195).

315130445 is a wasteful number, since it uses less digits than its factorization.

315130445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 315130445 is about 17751.9138404849. The cubic root of 315130445 is about 680.5031203052.

Adding to 315130445 its reverse (544031513), we get a palindrome (859161958).

The spelling of 315130445 in words is "three hundred fifteen million, one hundred thirty thousand, four hundred forty-five".