14543997 has 16 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 8707392.

The previous prime is 14543989. The next prime is 14544011. The reversal of 14543997 is 79934541.

It is not a de Polignac number, because 14543997 - 2³ = 14543989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14543917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3597 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^14543997 is an apocalyptic number.

It is an amenable number.

14543997 is a deficient number, since it is larger than the sum of its proper divisors (6906243).

14543997 is a wasteful number, since it uses less digits than its factorization.

14543997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132.

The product of its digits is 136080, while the sum is 42.

The square root of 14543997 is about 3813.6592663740. The cubic root of 14543997 is about 244.0963350232.

The spelling of 14543997 in words is "fourteen million, five hundred forty-three thousand, nine hundred ninety-seven".