14403945 has 16 divisors (see below), whose sum is σ = 23107392. Its totient is φ = 7661760.

The previous prime is 14403941. The next prime is 14403953. The reversal of 14403945 is 54930441.

It is not a de Polignac number, because 14403945 - 2² = 14403941 is a prime.

It is a super-3 number, since 3×14403945³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14403941) 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, 5874 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (1444212).

Almost surely, 2^14403945 is an apocalyptic number.

14403945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14403945 is a deficient number, since it is larger than the sum of its proper divisors (8703447).

14403945 is a wasteful number, since it uses less digits than its factorization.

14403945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 14403945 is about 3795.2529559965. The cubic root of 14403945 is about 243.3102947267.

The spelling of 14403945 in words is "fourteen million, four hundred three thousand, nine hundred forty-five".