245045200000 has 96 divisors (see below), whose sum is σ = 610181922420. Its totient is φ = 98017920000.

The previous prime is 245045199979. The next prime is 245045200003. The reversal of 245045200000 is 2540542.

It can be written as a sum of positive squares in 6 ways, for example, as 4359744 + 245040840256 = 2088^2 + 495016^2 .

It is not an unprimeable number, because it can be changed into a prime (245045200003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93694 + ... + 706306.

Almost surely, 2^245045200000 is an apocalyptic number.

245045200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245045200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305090961210).

245045200000 is an abundant number, since it is smaller than the sum of its proper divisors (365136722420).

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

245045200000 is an frugal number, since it uses more digits than its factorization.

245045200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612652 (or 612620 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 245045200000 its reverse (2540542), we get a palindrome (245047740542).

The spelling of 245045200000 in words is "two hundred forty-five billion, forty-five million, two hundred thousand".