14400545 has 4 divisors (see below), whose sum is σ = 17280660. Its totient is φ = 11520432.

The previous prime is 14400509. The next prime is 14400557. The reversal of 14400545 is 54500441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54500441 = 79 ⋅689879.

It can be written as a sum of positive squares in 2 ways, for example, as 8427409 + 5973136 = 2903^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 14400545 - 2¹⁰ = 14399521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14400545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440050 + ... + 1440059.

It is an arithmetic number, because the mean of its divisors is an integer number (4320165).

Almost surely, 2^14400545 is an apocalyptic number.

It is an amenable number.

14400545 is a deficient number, since it is larger than the sum of its proper divisors (2880115).

14400545 is an equidigital number, since it uses as much as digits as its factorization.

14400545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880114.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 14400545 is about 3794.8050015778. The cubic root of 14400545 is about 243.2911490436.

Adding to 14400545 its reverse (54500441), we get a palindrome (68900986).

The spelling of 14400545 in words is "fourteen million, four hundred thousand, five hundred forty-five".