245315302320 has 160 divisors (see below), whose sum is σ = 843673501440. Its totient is φ = 58462366720.

The previous prime is 245315302303. The next prime is 245315302321. The reversal of 245315302320 is 23203513542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (245315302321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631719 + ... + 943238.

It is an arithmetic number, because the mean of its divisors is an integer number (5272959384).

Almost surely, 2^245315302320 is an apocalyptic number.

245315302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245315302320 is an abundant number, since it is smaller than the sum of its proper divisors (598358199120).

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

245315302320 is a wasteful number, since it uses less digits than its factorization.

245315302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575043 (or 1575037 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 245315302320 its reverse (23203513542), we get a palindrome (268518815862).

The spelling of 245315302320 in words is "two hundred forty-five billion, three hundred fifteen million, three hundred two thousand, three hundred twenty".