14091945 has 32 divisors (see below), whose sum is σ = 26038272. Its totient is φ = 6374592.

The previous prime is 14091943. The next prime is 14091967. The reversal of 14091945 is 54919041.

14091945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14091945 - 2¹ = 14091943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14091943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10164 + ... + 11466.

It is an arithmetic number, because the mean of its divisors is an integer number (813696).

Almost surely, 2^14091945 is an apocalyptic number.

14091945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14091945 is a deficient number, since it is larger than the sum of its proper divisors (11946327).

14091945 is a wasteful number, since it uses less digits than its factorization.

14091945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 14091945 is about 3753.9239470186. The cubic root of 14091945 is about 241.5406958754.

The spelling of 14091945 in words is "fourteen million, ninety-one thousand, nine hundred forty-five".