13454143 has 4 divisors (see below), whose sum is σ = 13461480. Its totient is φ = 13446808.

The previous prime is 13454137. The next prime is 13454153. The reversal of 13454143 is 34145431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13454143 - 2⁹ = 13453631 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 (13454113) 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, 1821 + ... + 5497.

It is an arithmetic number, because the mean of its divisors is an integer number (3365370).

Almost surely, 2^13454143 is an apocalyptic number.

13454143 is a deficient number, since it is larger than the sum of its proper divisors (7337).

13454143 is an equidigital number, since it uses as much as digits as its factorization.

13454143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336.

The product of its digits is 2880, while the sum is 25.

The square root of 13454143 is about 3667.9889585439. The cubic root of 13454143 is about 237.8402465808.

Adding to 13454143 its reverse (34145431), we get a palindrome (47599574).

The spelling of 13454143 in words is "thirteen million, four hundred fifty-four thousand, one hundred forty-three".