14391645 has 16 divisors (see below), whose sum is σ = 24239040. Its totient is φ = 7271424.

The previous prime is 14391617. The next prime is 14391649. The reversal of 14391645 is 54619341.

It is not a de Polignac number, because 14391645 - 2⁵ = 14391613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391649) 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, 24964 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (1514940).

Almost surely, 2^14391645 is an apocalyptic number.

14391645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14391645 is a deficient number, since it is larger than the sum of its proper divisors (9847395).

14391645 is a wasteful number, since it uses less digits than its factorization.

14391645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50524.

The product of its digits is 12960, while the sum is 33.

The square root of 14391645 is about 3793.6321645621. The cubic root of 14391645 is about 243.2410181295.

The spelling of 14391645 in words is "fourteen million, three hundred ninety-one thousand, six hundred forty-five".