245025420140 has 12 divisors (see below), whose sum is σ = 514553382336. Its totient is φ = 98010168048.

The previous prime is 245025420137. The next prime is 245025420169. The reversal of 245025420140 is 41024520542.

245025420140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6125635484 + ... + 6125635523.

It is an arithmetic number, because the mean of its divisors is an integer number (42879448528).

Almost surely, 2^245025420140 is an apocalyptic number.

245025420140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245025420140 is an abundant number, since it is smaller than the sum of its proper divisors (269527962196).

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

245025420140 is a wasteful number, since it uses less digits than its factorization.

245025420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251271016 (or 12251271014 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 245025420140 its reverse (41024520542), we get a palindrome (286049940682).

The spelling of 245025420140 in words is "two hundred forty-five billion, twenty-five million, four hundred twenty thousand, one hundred forty".