245305202000 has 40 divisors (see below), whose sum is σ = 593147983272. Its totient is φ = 98122080000.

The previous prime is 245305201997. The next prime is 245305202003. The reversal of 245305202000 is 202503542.

It is an interprime number because it is at equal distance from previous prime (245305201997) and next prime (245305202003).

It can be written as a sum of positive squares in 4 ways, for example, as 1577360656 + 243727841344 = 39716^2 + 493688^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245305202003) 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 7 ways as a sum of consecutive naturals, for example, 61324301 + ... + 61328300.

Almost surely, 2^245305202000 is an apocalyptic number.

245305202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245305202000 is an abundant number, since it is smaller than the sum of its proper divisors (347842781272).

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

245305202000 is a wasteful number, since it uses less digits than its factorization.

245305202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122652624 (or 122652608 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 245305202000 its reverse (202503542), we get a palindrome (245507705542).

The spelling of 245305202000 in words is "two hundred forty-five billion, three hundred five million, two hundred two thousand".