315045420 has 24 divisors (see below), whose sum is σ = 882127344. Its totient is φ = 84012096.

The previous prime is 315045407. The next prime is 315045431. The reversal of 315045420 is 24540513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625319 + ... + 2625438.

It is an arithmetic number, because the mean of its divisors is an integer number (36755306).

Almost surely, 2^315045420 is an apocalyptic number.

315045420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315045420 is an abundant number, since it is smaller than the sum of its proper divisors (567081924).

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

315045420 is a wasteful number, since it uses less digits than its factorization.

315045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250769 (or 5250767 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 315045420 is about 17749.5188667186. The cubic root of 315045420 is about 680.4419128664.

Adding to 315045420 its reverse (24540513), we get a palindrome (339585933).

The spelling of 315045420 in words is "three hundred fifteen million, forty-five thousand, four hundred twenty".