14123545 has 4 divisors (see below), whose sum is σ = 16948260. Its totient is φ = 11298832.

The previous prime is 14123539. The next prime is 14123567. The reversal of 14123545 is 54532141.

It is a happy number.

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 10634121 + 3489424 = 3261^2 + 1868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14123545 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412350 + ... + 1412359.

It is an arithmetic number, because the mean of its divisors is an integer number (4237065).

Almost surely, 2^14123545 is an apocalyptic number.

It is an amenable number.

14123545 is a deficient number, since it is larger than the sum of its proper divisors (2824715).

14123545 is an equidigital number, since it uses as much as digits as its factorization.

14123545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824714.

The product of its digits is 2400, while the sum is 25.

The square root of 14123545 is about 3758.1305192875. The cubic root of 14123545 is about 241.7211059812.

Adding to 14123545 its reverse (54532141), we get a palindrome (68655686).

The spelling of 14123545 in words is "fourteen million, one hundred twenty-three thousand, five hundred forty-five".