315712045 has 16 divisors (see below), whose sum is σ = 418533120. Its totient is φ = 226699200.

The previous prime is 315712039. The next prime is 315712073. The reversal of 315712045 is 540217513.

It is a happy number.

It is not a de Polignac number, because 315712045 - 2¹⁷ = 315580973 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31986 + ... + 40675.

It is an arithmetic number, because the mean of its divisors is an integer number (26158320).

Almost surely, 2^315712045 is an apocalyptic number.

It is an amenable number.

315712045 is a deficient number, since it is larger than the sum of its proper divisors (102821075).

315712045 is a wasteful number, since it uses less digits than its factorization.

315712045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72756.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 315712045 is about 17768.2876214901. The cubic root of 315712045 is about 680.9215051234.

Adding to 315712045 its reverse (540217513), we get a palindrome (855929558).

The spelling of 315712045 in words is "three hundred fifteen million, seven hundred twelve thousand, forty-five".