13430032145 has 4 divisors (see below), whose sum is σ = 16116038580. Its totient is φ = 10744025712.

The previous prime is 13430032127. The next prime is 13430032171. The reversal of 13430032145 is 54123003431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54123003431 = 7 ⋅7731857633.

It can be written as a sum of positive squares in 2 ways, for example, as 7661325841 + 5768706304 = 87529^2 + 75952^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430032145 - 2¹⁶ = 13429966609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343003210 + ... + 1343003219.

It is an arithmetic number, because the mean of its divisors is an integer number (4029009645).

Almost surely, 2^13430032145 is an apocalyptic number.

It is an amenable number.

13430032145 is a deficient number, since it is larger than the sum of its proper divisors (2686006435).

13430032145 is an equidigital number, since it uses as much as digits as its factorization.

13430032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686006434.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13430032145 its reverse (54123003431), we get a palindrome (67553035576).

The spelling of 13430032145 in words is "thirteen billion, four hundred thirty million, thirty-two thousand, one hundred forty-five".