245002631453 has 4 divisors (see below), whose sum is σ = 245007910140. Its totient is φ = 244997352768.

The previous prime is 245002631413. The next prime is 245002631477. The reversal of 245002631453 is 354136200542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35840926489 + 209161704964 = 189317^2 + 457342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245002631453 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 (245002631413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569100 + ... + 2662757.

It is an arithmetic number, because the mean of its divisors is an integer number (61251977535).

Almost surely, 2^245002631453 is an apocalyptic number.

It is an amenable number.

245002631453 is a deficient number, since it is larger than the sum of its proper divisors (5278687).

245002631453 is an equidigital number, since it uses as much as digits as its factorization.

245002631453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278686.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 245002631453 its reverse (354136200542), we get a palindrome (599138831995).

The spelling of 245002631453 in words is "two hundred forty-five billion, two million, six hundred thirty-one thousand, four hundred fifty-three".