245250145000 has 400 divisors, whose sum is σ = 693025660800. Its totient is φ = 81249840000.

The previous prime is 245250144959. The next prime is 245250145001. The reversal of 245250145000 is 541052542.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 245250145000.

It is not an unprimeable number, because it can be changed into a prime (245250145001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 372154671 + ... + 372155329.

It is an arithmetic number, because the mean of its divisors is an integer number (1732564152).

Almost surely, 2^245250145000 is an apocalyptic number.

245250145000 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 245250145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346512830400).

245250145000 is an abundant number, since it is smaller than the sum of its proper divisors (447775515800).

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

245250145000 is an frugal number, since it uses more digits than its factorization.

245250145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 245250145000 its reverse (541052542), we get a palindrome (245791197542).

The spelling of 245250145000 in words is "two hundred forty-five billion, two hundred fifty million, one hundred forty-five thousand".