14645409 has 12 divisors (see below), whose sum is σ = 20610576. Its totient is φ = 9249048.

The previous prime is 14645401. The next prime is 14645441. The reversal of 14645409 is 90454641.

It is not a de Polignac number, because 14645409 - 2³ = 14645401 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14645409.

It is not an unprimeable number, because it can be changed into a prime (14645401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (1717548).

Almost surely, 2^14645409 is an apocalyptic number.

14645409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14645409 is a deficient number, since it is larger than the sum of its proper divisors (5965167).

14645409 is a wasteful number, since it uses less digits than its factorization.

14645409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564 (or 13545 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 14645409 is about 3826.9320610641. The cubic root of 14645409 is about 244.6623642930.

The spelling of 14645409 in words is "fourteen million, six hundred forty-five thousand, four hundred nine".