315425445 has 8 divisors (see below), whose sum is σ = 504680736. Its totient is φ = 168226896.

The previous prime is 315425443. The next prime is 315425447. The reversal of 315425445 is 544524513.

It is an interprime number because it is at equal distance from previous prime (315425443) and next prime (315425447).

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

It is not a de Polignac number, because 315425445 - 2¹ = 315425443 is a prime.

It is a super-2 number, since 2×315425445² = 198986422706896050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315425443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10514167 + ... + 10514196.

It is an arithmetic number, because the mean of its divisors is an integer number (63085092).

Almost surely, 2^315425445 is an apocalyptic number.

It is an amenable number.

315425445 is a deficient number, since it is larger than the sum of its proper divisors (189255291).

315425445 is a wasteful number, since it uses less digits than its factorization.

315425445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21028371.

The product of its digits is 48000, while the sum is 33.

The square root of 315425445 is about 17760.2208601132. The cubic root of 315425445 is about 680.7153983366.

Adding to 315425445 its reverse (544524513), we get a palindrome (859949958).

The spelling of 315425445 in words is "three hundred fifteen million, four hundred twenty-five thousand, four hundred forty-five".