13143145 has 8 divisors (see below), whose sum is σ = 15886080. Its totient is φ = 10438320.

The previous prime is 13143089. The next prime is 13143149. The reversal of 13143145 is 54134131.

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

It is a de Polignac number, because none of the positive numbers 2^k-13143145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143149) 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, 8761 + ... + 10150.

It is an arithmetic number, because the mean of its divisors is an integer number (1985760).

Almost surely, 2^13143145 is an apocalyptic number.

It is an amenable number.

13143145 is a deficient number, since it is larger than the sum of its proper divisors (2742935).

13143145 is a wasteful number, since it uses less digits than its factorization.

13143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055.

The product of its digits is 720, while the sum is 22.

The square root of 13143145 is about 3625.3475695442. The cubic root of 13143145 is about 235.9933506218.

Adding to 13143145 its reverse (54134131), we get a palindrome (67277276).

The spelling of 13143145 in words is "thirteen million, one hundred forty-three thousand, one hundred forty-five".