14540905 has 8 divisors (see below), whose sum is σ = 17474184. Its totient is φ = 11616000.

The previous prime is 14540893. The next prime is 14540917. The reversal of 14540905 is 50904541.

It is an interprime number because it is at equal distance from previous prime (14540893) and next prime (14540917).

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 14538969 = 44^2 + 3813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14540905 - 2⁵ = 14540873 is a prime.

It is a super-2 number, since 2×14540905² = 422875836438050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (2184273).

Almost surely, 2^14540905 is an apocalyptic number.

It is an amenable number.

14540905 is a deficient number, since it is larger than the sum of its proper divisors (2933279).

14540905 is an equidigital number, since it uses as much as digits as its factorization.

14540905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 14540905 is about 3813.2538598945. The cubic root of 14540905 is about 244.0790358044.

The spelling of 14540905 in words is "fourteen million, five hundred forty thousand, nine hundred five".