12145043 has 2 divisors, whose sum is σ = 12145044. Its totient is φ = 12145042.

The previous prime is 12145033. The next prime is 12145057. The reversal of 12145043 is 34054121.

12145043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12145043 - 2⁸ = 12144787 is a prime.

It is not a weakly prime, because it can be changed into another prime (12145013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072521 + 6072522.

It is an arithmetic number, because the mean of its divisors is an integer number (6072522).

Almost surely, 2^12145043 is an apocalyptic number.

12145043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145043 is an equidigital number, since it uses as much as digits as its factorization.

12145043 is an evil number, because the sum of its binary digits is even.

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

The square root of 12145043 is about 3484.9738879940. The cubic root of 12145043 is about 229.8615613019.

Adding to 12145043 its reverse (34054121), we get a palindrome (46199164).

The spelling of 12145043 in words is "twelve million, one hundred forty-five thousand, forty-three".