14280545 has 8 divisors (see below), whose sum is σ = 17157096. Its totient is φ = 11410816.

The previous prime is 14280521. The next prime is 14280551. The reversal of 14280545 is 54508241.

It can be written as a sum of positive squares in 4 ways, for example, as 6507601 + 7772944 = 2551^2 + 2788^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14280545 - 2⁶ = 14280481 is a prime.

It is a Duffinian 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, 6509 + ... + 8421.

It is an arithmetic number, because the mean of its divisors is an integer number (2144637).

Almost surely, 2^14280545 is an apocalyptic number.

It is an amenable number.

14280545 is a deficient number, since it is larger than the sum of its proper divisors (2876551).

14280545 is a wasteful number, since it uses less digits than its factorization.

14280545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 14280545 is about 3778.9608359971. The cubic root of 14280545 is about 242.6134800298.

Adding to 14280545 its reverse (54508241), we get a palindrome (68788786).

It can be divided in two parts, 142805 and 45, that multiplied together give a square (6426225 = 2535²).

The spelling of 14280545 in words is "fourteen million, two hundred eighty thousand, five hundred forty-five".