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143141224 = 23178091301
BaseRepresentation
bin10001000100000…
…10100101101000
3100222100022211211
420202002211220
5243121004344
622112002504
73355452232
oct1042024550
9328308754
10143141224
1173888136
123bb30434
132386a065
1415021252
15c877334
hex8882968

143141224 has 32 divisors (see below), whose sum is σ = 284747400. Its totient is φ = 67225600.

The previous prime is 143141191. The next prime is 143141237. The reversal of 143141224 is 422141341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121220100 + 21921124 = 11010^2 + 4682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143141195 and 143141204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109374 + ... + 110674.

Almost surely, 2143141224 is an apocalyptic number.

It is an amenable number.

143141224 is a deficient number, since it is larger than the sum of its proper divisors (141606176).

143141224 is a wasteful number, since it uses less digits than its factorization.

143141224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2129 counting only the distinct ones).

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

The square root of 143141224 is about 11964.1641580179. The cubic root of 143141224 is about 523.1042423891.

Adding to 143141224 its reverse (422141341), we get a palindrome (565282565).

The spelling of 143141224 in words is "one hundred forty-three million, one hundred forty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 809 1301 1618 2602 3236 5204 6472 10408 13753 22117 27506 44234 55012 88468 110024 176936 1052509 2105018 4210036 8420072 17892653 35785306 71570612 143141224