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144082469 = 2928117681
BaseRepresentation
bin10001001011010…
…00011000100101
3101001010010222202
420211220120211
5243341114334
622144104245
73366452336
oct1045503045
9331103882
10144082469
1174370323
1240305085
1323b095cb
14151c828d
15c9b117e
hex8968625

144082469 has 8 divisors (see below), whose sum is σ = 149589720. Its totient is φ = 138611200.

The previous prime is 144082441. The next prime is 144082541. The reversal of 144082469 is 964280441.

It can be written as a sum of positive squares in 4 ways, for example, as 19492225 + 124590244 = 4415^2 + 11162^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144082469 is a prime.

It is a super-2 number, since 2×1440824692 = 41519515746271922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144082409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (18698715).

Almost surely, 2144082469 is an apocalyptic number.

It is an amenable number.

144082469 is a deficient number, since it is larger than the sum of its proper divisors (5507251).

144082469 is a wasteful number, since it uses less digits than its factorization.

144082469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17991.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 144082469 is about 12003.4357164938. The cubic root of 144082469 is about 524.2483198954.

The spelling of 144082469 in words is "one hundred forty-four million, eighty-two thousand, four hundred sixty-nine".

Divisors: 1 29 281 8149 17681 512749 4968361 144082469