315145024 has 56 divisors (see below), whose sum is σ = 648785088. Its totient is φ = 151772160.

The previous prime is 315145013. The next prime is 315145027. The reversal of 315145024 is 420541513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315145024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315145027) 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, 217069 + ... + 218515.

It is an arithmetic number, because the mean of its divisors is an integer number (11585448).

Almost surely, 2^315145024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315145024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324392544).

315145024 is an abundant number, since it is smaller than the sum of its proper divisors (333640064).

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

315145024 is a wasteful number, since it uses less digits than its factorization.

315145024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 315145024 is about 17752.3244675169. The cubic root of 315145024 is about 680.5136142685.

Adding to 315145024 its reverse (420541513), we get a palindrome (735686537).

The spelling of 315145024 in words is "three hundred fifteen million, one hundred forty-five thousand, twenty-four".