12050145 has 12 divisors (see below), whose sum is σ = 20886996. Its totient is φ = 6426720.

The previous prime is 12050119. The next prime is 12050147. The reversal of 12050145 is 54105021.

12050145 is a `hidden beast` number, since 120 + 501 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 7551504 = 2121^2 + 2748^2 .

It is not a de Polignac number, because 12050145 - 2⁵ = 12050113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12050147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133846 + ... + 133935.

It is an arithmetic number, because the mean of its divisors is an integer number (1740583).

Almost surely, 2^12050145 is an apocalyptic number.

12050145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12050145 is a deficient number, since it is larger than the sum of its proper divisors (8836851).

12050145 is a wasteful number, since it uses less digits than its factorization.

12050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267792 (or 267789 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12050145 is about 3471.3318769602. The cubic root of 12050145 is about 229.2613036497.

Adding to 12050145 its reverse (54105021), we get a palindrome (66155166).

The spelling of 12050145 in words is "twelve million, fifty thousand, one hundred forty-five".