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144221314 = 2169942443
BaseRepresentation
bin10001001100010…
…10010010000010
3101001101012110011
420212022102002
5243410040224
622151055134
73400601206
oct1046122202
9331335404
10144221314
1174455676
12403714aa
1323b57873
1415222b06
15c9dc394
hex898a482

144221314 has 8 divisors (see below), whose sum is σ = 216464400. Its totient is φ = 72066516.

The previous prime is 144221309. The next prime is 144221317. The reversal of 144221314 is 413122441.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (144221317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17824 + ... + 24619.

It is an arithmetic number, because the mean of its divisors is an integer number (27058050).

Almost surely, 2144221314 is an apocalyptic number.

144221314 is a deficient number, since it is larger than the sum of its proper divisors (72243086).

144221314 is a wasteful number, since it uses less digits than its factorization.

144221314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44144.

The product of its digits is 768, while the sum is 22.

The square root of 144221314 is about 12009.2178762815. The cubic root of 144221314 is about 524.4166630438.

Adding to 144221314 its reverse (413122441), we get a palindrome (557343755).

The spelling of 144221314 in words is "one hundred forty-four million, two hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 1699 3398 42443 84886 72110657 144221314