1245353434453 has 8 divisors (see below), whose sum is σ = 1265901088256. Its totient is φ = 1224810039600.

The previous prime is 1245353434387. The next prime is 1245353434469. The reversal of 1245353434453 is 3544343535421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245353434453 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 (1245353434253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472401 + ... + 1647382.

It is an arithmetic number, because the mean of its divisors is an integer number (158237636032).

Almost surely, 2^{1245353434453} is an apocalyptic number.

It is an amenable number.

1245353434453 is a deficient number, since it is larger than the sum of its proper divisors (20547653803).

1245353434453 is an equidigital number, since it uses as much as digits as its factorization.

1245353434453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129475.

The product of its digits is 5184000, while the sum is 46.

Adding to 1245353434453 its reverse (3544343535421), we get a palindrome (4789696969874).

The spelling of 1245353434453 in words is "one trillion, two hundred forty-five billion, three hundred fifty-three million, four hundred thirty-four thousand, four hundred fifty-three".