245350220453 has 16 divisors (see below), whose sum is σ = 279849948336. Its totient is φ = 213090877440.

The previous prime is 245350220411. The next prime is 245350220461. The reversal of 245350220453 is 354022053542.

It can be written as a sum of positive squares in 8 ways, for example, as 1202563684 + 244147656769 = 34678^2 + 494113^2 .

It is a cyclic number.

It is not a de Polignac number, because 245350220453 - 2³⁰ = 244276478629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245350220473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577625 + ... + 907937.

It is an arithmetic number, because the mean of its divisors is an integer number (17490621771).

Almost surely, 2^245350220453 is an apocalyptic number.

It is an amenable number.

245350220453 is a deficient number, since it is larger than the sum of its proper divisors (34499727883).

245350220453 is a wasteful number, since it uses less digits than its factorization.

245350220453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333704.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 245350220453 its reverse (354022053542), we get a palindrome (599372273995).

The spelling of 245350220453 in words is "two hundred forty-five billion, three hundred fifty million, two hundred twenty thousand, four hundred fifty-three".