14390945 has 8 divisors (see below), whose sum is σ = 17301480. Its totient is φ = 11491200.

The previous prime is 14390933. The next prime is 14390947. The reversal of 14390945 is 54909341.

It can be written as a sum of positive squares in 4 ways, for example, as 877969 + 13512976 = 937^2 + 3676^2 .

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

It is not a de Polignac number, because 14390945 - 2⁶ = 14390881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14390947) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 611 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (2162685).

Almost surely, 2^14390945 is an apocalyptic number.

It is an amenable number.

14390945 is a deficient number, since it is larger than the sum of its proper divisors (2910535).

14390945 is an equidigital number, since it uses as much as digits as its factorization.

14390945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 14390945 is about 3793.5399035729. The cubic root of 14390945 is about 243.2370743720.

The spelling of 14390945 in words is "fourteen million, three hundred ninety thousand, nine hundred forty-five".