14289945 has 16 divisors (see below), whose sum is σ = 24209280. Its totient is φ = 7172864.

The previous prime is 14289937. The next prime is 14289949. The reversal of 14289945 is 54998241.

It is a cyclic number.

It is not a de Polignac number, because 14289945 - 2³ = 14289937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14289897 and 14289906.

It is not an unprimeable number, because it can be changed into a prime (14289949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27765 + ... + 28274.

It is an arithmetic number, because the mean of its divisors is an integer number (1513080).

Almost surely, 2^14289945 is an apocalyptic number.

14289945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14289945 is a deficient number, since it is larger than the sum of its proper divisors (9919335).

14289945 is a wasteful number, since it uses less digits than its factorization.

14289945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56064.

The product of its digits is 103680, while the sum is 42.

The square root of 14289945 is about 3780.2043595552. The cubic root of 14289945 is about 242.6667008396. Note that the first 3 decimals are identical.

The spelling of 14289945 in words is "fourteen million, two hundred eighty-nine thousand, nine hundred forty-five".