315143045 has 8 divisors (see below), whose sum is σ = 432196224. Its totient is φ = 216098064.

The previous prime is 315143039. The next prime is 315143051. The reversal of 315143045 is 540341513.

It is an interprime number because it is at equal distance from previous prime (315143039) and next prime (315143051).

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

It is not a de Polignac number, because 315143045 - 2¹⁶ = 315077509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502009 + ... + 4502078.

It is an arithmetic number, because the mean of its divisors is an integer number (54024528).

Almost surely, 2^315143045 is an apocalyptic number.

315143045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315143045 is a deficient number, since it is larger than the sum of its proper divisors (117053179).

315143045 is an equidigital number, since it uses as much as digits as its factorization.

315143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004099.

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

The square root of 315143045 is about 17752.2687282499. The cubic root of 315143045 is about 680.5121898034.

Adding to 315143045 its reverse (540341513), we get a palindrome (855484558).

The spelling of 315143045 in words is "three hundred fifteen million, one hundred forty-three thousand, forty-five".