12144845 has 8 divisors (see below), whose sum is σ = 14609376. Its totient is φ = 9692176.

The previous prime is 12144829. The next prime is 12144859. The reversal of 12144845 is 54844121.

12144845 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12144845 - 2⁴ = 12144829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (1826172).

Almost surely, 2^12144845 is an apocalyptic number.

It is an amenable number.

12144845 is a deficient number, since it is larger than the sum of its proper divisors (2464531).

12144845 is an equidigital number, since it uses as much as digits as its factorization.

12144845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its digits is 5120, while the sum is 29.

The square root of 12144845 is about 3484.9454802048. The cubic root of 12144845 is about 229.8603121548.

Adding to 12144845 its reverse (54844121), we get a palindrome (66988966).

It can be divided in two parts, 121 and 44845, that multiplied together give a palindrome (5426245).

The spelling of 12144845 in words is "twelve million, one hundred forty-four thousand, eight hundred forty-five".