12045143 has 8 divisors (see below), whose sum is σ = 13564416. Its totient is φ = 10596600.

The previous prime is 12045139. The next prime is 12045167. The reversal of 12045143 is 34154021.

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 12045143 - 2² = 12045139 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 (12045133) 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, 17321 + ... + 18002.

It is an arithmetic number, because the mean of its divisors is an integer number (1695552).

Almost surely, 2^12045143 is an apocalyptic number.

12045143 is a deficient number, since it is larger than the sum of its proper divisors (1519273).

12045143 is a wasteful number, since it uses less digits than its factorization.

12045143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35365.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12045143 is about 3470.6113294346. The cubic root of 12045143 is about 229.2295772333.

Adding to 12045143 its reverse (34154021), we get a palindrome (46199164).

The spelling of 12045143 in words is "twelve million, forty-five thousand, one hundred forty-three".