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14892145 = 52978429
BaseRepresentation
bin111000110011…
…110001110001
31001000121011221
4320303301301
512303022040
61251105041
7240403222
oct70636161
931017157
1014892145
118451764
124ba2181
133115528
141d99249
15149274a
hexe33c71

14892145 has 4 divisors (see below), whose sum is σ = 17870580. Its totient is φ = 11913712.

The previous prime is 14892139. The next prime is 14892149. The reversal of 14892145 is 54129841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54129841 = 192848939.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 8958049 = 2436^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14892145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14892145.

It is not an unprimeable number, because it can be changed into a prime (14892149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1489210 + ... + 1489219.

It is an arithmetic number, because the mean of its divisors is an integer number (4467645).

Almost surely, 214892145 is an apocalyptic number.

It is an amenable number.

14892145 is a deficient number, since it is larger than the sum of its proper divisors (2978435).

14892145 is an equidigital number, since it uses as much as digits as its factorization.

14892145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978434.

The product of its digits is 11520, while the sum is 34.

The square root of 14892145 is about 3859.0342056012. The cubic root of 14892145 is about 246.0286887907.

Subtracting 14892145 from its reverse (54129841), we obtain a square (39237696 = 62642).

The spelling of 14892145 in words is "fourteen million, eight hundred ninety-two thousand, one hundred forty-five".

Divisors: 1 5 2978429 14892145