315545020 has 48 divisors (see below), whose sum is σ = 775793088. Its totient is φ = 105546240.

The previous prime is 315545011. The next prime is 315545029. The reversal of 315545020 is 20545513.

It is an interprime number because it is at equal distance from previous prime (315545011) and next prime (315545029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315545029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21747 + ... + 33226.

It is an arithmetic number, because the mean of its divisors is an integer number (16162356).

Almost surely, 2^315545020 is an apocalyptic number.

It is an amenable number.

315545020 is an abundant number, since it is smaller than the sum of its proper divisors (460248068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315545020 is a wasteful number, since it uses less digits than its factorization.

315545020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55030 (or 55028 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 315545020 is about 17763.5869125579. The cubic root of 315545020 is about 680.8014052009.

The spelling of 315545020 in words is "three hundred fifteen million, five hundred forty-five thousand, twenty".