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144143361 = 3383131491
BaseRepresentation
bin10001001011101…
…11010000000001
3101001020020112000
420211313100001
5243400041421
622145254213
73400125015
oct1045672001
9331206460
10144143361
117440204a
1240334369
1323b2b23b
1415202545
15c9c4226
hex8977401

144143361 has 32 divisors (see below), whose sum is σ = 218211840. Its totient is φ = 94021200.

The previous prime is 144143347. The next prime is 144143371. The reversal of 144143361 is 163341441.

It is not a de Polignac number, because 144143361 - 29 = 144142849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144143341) 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 31 ways as a sum of consecutive naturals, for example, 293326 + ... + 293816.

It is an arithmetic number, because the mean of its divisors is an integer number (6819120).

Almost surely, 2144143361 is an apocalyptic number.

It is an amenable number.

144143361 is a deficient number, since it is larger than the sum of its proper divisors (74068479).

144143361 is a wasteful number, since it uses less digits than its factorization.

144143361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 144143361 is about 12005.9718890226. The cubic root of 144143361 is about 524.3221619410.

The spelling of 144143361 in words is "one hundred forty-four million, one hundred forty-three thousand, three hundred sixty-one".

Divisors: 1 3 9 27 83 131 249 393 491 747 1179 1473 2241 3537 4419 10873 13257 32619 40753 64321 97857 122259 192963 293571 366777 578889 1100331 1736667 5338643 16015929 48047787 144143361