245102145255220 has 48 divisors (see below), whose sum is σ = 561808456828416. Its totient is φ = 89080160112000.

The previous prime is 245102145255217. The next prime is 245102145255281. The reversal of 245102145255220 is 22552541201542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298919076 + ... + 299737915.

It is an arithmetic number, because the mean of its divisors is an integer number (11704342850592).

Almost surely, 2^{245102145255220} is an apocalyptic number.

245102145255220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245102145255220 is an abundant number, since it is smaller than the sum of its proper divisors (316706311573196).

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

245102145255220 is a wasteful number, since it uses less digits than its factorization.

245102145255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598658872 (or 598658870 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 245102145255220 its reverse (22552541201542), we get a palindrome (267654686456762).

The spelling of 245102145255220 in words is "two hundred forty-five trillion, one hundred two billion, one hundred forty-five million, two hundred fifty-five thousand, two hundred twenty".