14223545 has 16 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 9328704.

The previous prime is 14223511. The next prime is 14223569. The reversal of 14223545 is 54532241.

14223545 = 28² + 29² + ... + 349².

It is a happy number.

It is not a de Polignac number, because 14223545 - 2⁶ = 14223481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8030 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^14223545 is an apocalyptic number.

It is an amenable number.

14223545 is a deficient number, since it is larger than the sum of its proper divisors (6132295).

14223545 is a wasteful number, since it uses less digits than its factorization.

14223545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704.

The product of its digits is 4800, while the sum is 26.

The square root of 14223545 is about 3771.4115394637. The cubic root of 14223545 is about 242.2902568742.

Adding to 14223545 its reverse (54532241), we get a palindrome (68755786).

The spelling of 14223545 in words is "fourteen million, two hundred twenty-three thousand, five hundred forty-five".