13145453 has 8 divisors (see below), whose sum is σ = 13376280. Its totient is φ = 12916800.

The previous prime is 13145449. The next prime is 13145479. The reversal of 13145453 is 35454131.

13145453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4401604 + 8743849 = 2098^2 + 2957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13145453 - 2² = 13145449 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 (13145413) 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, 15443 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (1672035).

Almost surely, 2^13145453 is an apocalyptic number.

It is an amenable number.

13145453 is a deficient number, since it is larger than the sum of its proper divisors (230827).

13145453 is a wasteful number, since it uses less digits than its factorization.

13145453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 3600, while the sum is 26.

The square root of 13145453 is about 3625.6658698782. The cubic root of 13145453 is about 236.0071636722.

Adding to 13145453 its reverse (35454131), we get a palindrome (48599584).

The spelling of 13145453 in words is "thirteen million, one hundred forty-five thousand, four hundred fifty-three".