12150445 has 4 divisors (see below), whose sum is σ = 14580540. Its totient is φ = 9720352.

The previous prime is 12150431. The next prime is 12150451. The reversal of 12150445 is 54405121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 5280804 = 2621^2 + 2298^2 .

It is a cyclic number.

It is not a de Polignac number, because 12150445 - 2⁹ = 12149933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215040 + ... + 1215049.

It is an arithmetic number, because the mean of its divisors is an integer number (3645135).

Almost surely, 2^12150445 is an apocalyptic number.

It is an amenable number.

12150445 is a deficient number, since it is larger than the sum of its proper divisors (2430095).

12150445 is an equidigital number, since it uses as much as digits as its factorization.

12150445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430094.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12150445 is about 3485.7488435055. The cubic root of 12150445 is about 229.8956363315.

Adding to 12150445 its reverse (54405121), we get a palindrome (66555566).

The spelling of 12150445 in words is "twelve million, one hundred fifty thousand, four hundred forty-five".