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144606425 = 525784257
BaseRepresentation
bin10001001111010…
…00010011011001
3101002002202201112
420213220103121
5244004401200
622203230105
73404064035
oct1047502331
9332082645
10144606425
1174698a47
1240518335
1323c60c42
14152c31c5
15ca66535
hex89e84d9

144606425 has 6 divisors (see below), whose sum is σ = 179311998. Its totient is φ = 115685120.

The previous prime is 144606409. The next prime is 144606433. The reversal of 144606425 is 524606441.

It can be written as a sum of positive squares in 3 ways, for example, as 47997184 + 96609241 = 6928^2 + 9829^2 .

It is not a de Polignac number, because 144606425 - 24 = 144606409 is a prime.

It is a super-2 number, since 2×1446064252 = 41822036302561250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144606391 and 144606400.

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 5 ways as a sum of consecutive naturals, for example, 2892104 + ... + 2892153.

It is an arithmetic number, because the mean of its divisors is an integer number (29885333).

Almost surely, 2144606425 is an apocalyptic number.

It is an amenable number.

144606425 is a deficient number, since it is larger than the sum of its proper divisors (34705573).

144606425 is an equidigital number, since it uses as much as digits as its factorization.

144606425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784267 (or 5784262 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 144606425 is about 12025.2411618229. The cubic root of 144606425 is about 524.8830276059.

The spelling of 144606425 in words is "one hundred forty-four million, six hundred six thousand, four hundred twenty-five".

Divisors: 1 5 25 5784257 28921285 144606425