245265310140 has 48 divisors (see below), whose sum is σ = 693043280160. Its totient is φ = 64804043520.

The previous prime is 245265310057. The next prime is 245265310163. The reversal of 245265310140 is 41013562542.

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, 18744631 + ... + 18757710.

It is an arithmetic number, because the mean of its divisors is an integer number (14438401670).

Almost surely, 2^245265310140 is an apocalyptic number.

245265310140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245265310140 is an abundant number, since it is smaller than the sum of its proper divisors (447777970020).

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

245265310140 is a wasteful number, since it uses less digits than its factorization.

245265310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37502462 (or 37502460 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 245265310140 its reverse (41013562542), we get a palindrome (286278872682).

The spelling of 245265310140 in words is "two hundred forty-five billion, two hundred sixty-five million, three hundred ten thousand, one hundred forty".