13543145 has 32 divisors (see below), whose sum is σ = 20977920. Its totient is φ = 8144640.

The previous prime is 13543139. The next prime is 13543177. The reversal of 13543145 is 54134531.

13543145 = T₂₃₂₅ + T₂₃₂₆ + ... + T₂₃₂₉.

It is not a de Polignac number, because 13543145 - 2¹² = 13539049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10559 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (655560).

Almost surely, 2^13543145 is an apocalyptic number.

It is an amenable number.

13543145 is a deficient number, since it is larger than the sum of its proper divisors (7434775).

13543145 is a wasteful number, since it uses less digits than its factorization.

13543145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

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

The square root of 13543145 is about 3680.1012214340. The cubic root of 13543145 is about 238.3635488558.

Adding to 13543145 its reverse (54134531), we get a palindrome (67677676).

The spelling of 13543145 in words is "thirteen million, five hundred forty-three thousand, one hundred forty-five".