14428145 has 8 divisors (see below), whose sum is σ = 17390760. Its totient is φ = 11491200.

The previous prime is 14428129. The next prime is 14428157. The reversal of 14428145 is 54182441.

It can be written as a sum of positive squares in 4 ways, for example, as 3352561 + 11075584 = 1831^2 + 3328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14428145 - 2⁴ = 14428129 is a prime.

It is a Curzon 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, 5156 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (2173845).

Almost surely, 2^14428145 is an apocalyptic number.

It is an amenable number.

14428145 is a deficient number, since it is larger than the sum of its proper divisors (2962615).

14428145 is a wasteful number, since it uses less digits than its factorization.

14428145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835.

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

The square root of 14428145 is about 3798.4398112909. The cubic root of 14428145 is about 243.4464799796.

The spelling of 14428145 in words is "fourteen million, four hundred twenty-eight thousand, one hundred forty-five".