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143071144 = 2317883893
BaseRepresentation
bin10001000011100…
…01011110101000
3100222012202201021
420201301132220
5243111234034
622110302224
73355041016
oct1041613650
9328182637
10143071144
117383a517
123bab7974
13238441a8
14150038b6
15c8616b4
hex88717a8

143071144 has 8 divisors (see below), whose sum is σ = 268258410. Its totient is φ = 71535568.

The previous prime is 143071127. The next prime is 143071157. The reversal of 143071144 is 441170341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 5008644 = 11750^2 + 2238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8941939 + ... + 8941954.

Almost surely, 2143071144 is an apocalyptic number.

It is an amenable number.

143071144 is a deficient number, since it is larger than the sum of its proper divisors (125187266).

143071144 is a wasteful number, since it uses less digits than its factorization.

143071144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17883899 (or 17883895 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 143071144 is about 11961.2350532878. The cubic root of 143071144 is about 523.0188602085.

It can be divided in two parts, 14307 and 1144, that added together give a palindrome (15451).

The spelling of 143071144 in words is "one hundred forty-three million, seventy-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 17883893 35767786 71535572 143071144