14865145 has 4 divisors (see below), whose sum is σ = 17838180. Its totient is φ = 11892112.

The previous prime is 14865127. The next prime is 14865173. The reversal of 14865145 is 54156841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54156841 = 131 ⋅413411.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 12730624 = 1461^2 + 3568^2 .

It is a cyclic number.

It is not a de Polignac number, because 14865145 - 2⁷ = 14865017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14865145.

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, 1486510 + ... + 1486519.

It is an arithmetic number, because the mean of its divisors is an integer number (4459545).

Almost surely, 2^14865145 is an apocalyptic number.

It is an amenable number.

14865145 is a deficient number, since it is larger than the sum of its proper divisors (2973035).

14865145 is an equidigital number, since it uses as much as digits as its factorization.

14865145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973034.

The product of its digits is 19200, while the sum is 34.

The square root of 14865145 is about 3855.5343339153. The cubic root of 14865145 is about 245.8799125247.

The spelling of 14865145 in words is "fourteen million, eight hundred sixty-five thousand, one hundred forty-five".