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14222145 = 357135449
BaseRepresentation
bin110110010000…
…001101000001
3222202120010010
4312100031001
512120102040
61224455133
7231612660
oct66201501
928676103
1014222145
118034343
12491a4a9
132c3c592
141c62dd7
1513ade80
hexd90341

14222145 has 16 divisors (see below), whose sum is σ = 26006400. Its totient is φ = 6501504.

The previous prime is 14222141. The next prime is 14222147. The reversal of 14222145 is 54122241.

It is not a de Polignac number, because 14222145 - 22 = 14222141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (14222141) 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, 67620 + ... + 67829.

It is an arithmetic number, because the mean of its divisors is an integer number (1625400).

Almost surely, 214222145 is an apocalyptic number.

14222145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14222145 is a deficient number, since it is larger than the sum of its proper divisors (11784255).

14222145 is a wasteful number, since it uses less digits than its factorization.

14222145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135464.

The product of its digits is 640, while the sum is 21.

The square root of 14222145 is about 3771.2259279974. The cubic root of 14222145 is about 242.2823072036.

Adding to 14222145 its reverse (54122241), we get a palindrome (68344386).

The spelling of 14222145 in words is "fourteen million, two hundred twenty-two thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 135449 406347 677245 948143 2031735 2844429 4740715 14222145