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143089444 = 2259812
BaseRepresentation
bin10001000011101…
…01111100100100
3100222020200211001
420201311330210
5243112330234
622110523044
73355145251
oct1041657444
9328220731
10143089444
1173852243
123bb06484
132384c614
141500a428
15c866d14
hex8875f24

143089444 has 9 divisors (see below), whose sum is σ = 250448401. Its totient is φ = 71532760.

The previous prime is 143089433. The next prime is 143089447. The reversal of 143089444 is 444980341.

It is a happy number.

The square root of 143089444 is 11962.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3849444 + 139240000 = 1962^2 + 11800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143089447) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 20934 + ... + 26914.

Almost surely, 2143089444 is an apocalyptic number.

143089444 is the 11962-nd square number.

It is an amenable number.

143089444 is a deficient number, since it is larger than the sum of its proper divisors (107358957).

143089444 is an frugal number, since it uses more digits than its factorization.

143089444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966 (or 5983 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The cubic root of 143089444 is about 523.0411587583.

The spelling of 143089444 in words is "one hundred forty-three million, eighty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 5981 11962 23924 35772361 71544722 143089444