14128945 has 8 divisors (see below), whose sum is σ = 17539560. Its totient is φ = 10913280.

The previous prime is 14128943. The next prime is 14128949. The reversal of 14128945 is 54982141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 13184161 = 972^2 + 3631^2 .

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

It is not a de Polignac number, because 14128945 - 2¹ = 14128943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14128945.

It is not an unprimeable number, because it can be changed into a prime (14128943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48576 + ... + 48865.

It is an arithmetic number, because the mean of its divisors is an integer number (2192445).

Almost surely, 2^14128945 is an apocalyptic number.

It is an amenable number.

14128945 is a deficient number, since it is larger than the sum of its proper divisors (3410615).

14128945 is an equidigital number, since it uses as much as digits as its factorization.

14128945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97475.

The product of its digits is 11520, while the sum is 34.

The square root of 14128945 is about 3758.8488929458. The cubic root of 14128945 is about 241.7519086268.

The spelling of 14128945 in words is "fourteen million, one hundred twenty-eight thousand, nine hundred forty-five".