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144959438 = 2137277669
BaseRepresentation
bin10001010001111…
…10011111001110
3101002202200222002
420220332133032
5244102200223
622214552302
73410064161
oct1050763716
9332680862
10144959438
117490a198
1240668692
1324055820
1415375ad8
15cad5e28
hex8a3e7ce

144959438 has 16 divisors (see below), whose sum is σ = 234517920. Its totient is φ = 66803616.

The previous prime is 144959431. The next prime is 144959447. The reversal of 144959438 is 834959441.

It is a junction number, because it is equal to n+sod(n) for n = 144959392 and 144959401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144959431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15068 + ... + 22736.

It is an arithmetic number, because the mean of its divisors is an integer number (14657370).

Almost surely, 2144959438 is an apocalyptic number.

144959438 is a deficient number, since it is larger than the sum of its proper divisors (89558482).

144959438 is a wasteful number, since it uses less digits than its factorization.

144959438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its digits is 622080, while the sum is 47.

The square root of 144959438 is about 12039.9102156121. The cubic root of 144959438 is about 525.3097950873.

The spelling of 144959438 in words is "one hundred forty-four million, nine hundred fifty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 13 26 727 1454 7669 9451 15338 18902 99697 199394 5575363 11150726 72479719 144959438