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143241071 is a prime number
BaseRepresentation
bin10001000100110…
…10111101101111
3100222112101210212
420202122331233
5243132203241
622114053035
73356346311
oct1042327557
9328471725
10143241071
1173946156
123bb7a17b
13238a363c
14150497b1
15c896beb
hex889af6f

143241071 has 2 divisors, whose sum is σ = 143241072. Its totient is φ = 143241070.

The previous prime is 143241061. The next prime is 143241089. The reversal of 143241071 is 170142341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143241071 - 210 = 143240047 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71620535 + 71620536.

It is an arithmetic number, because the mean of its divisors is an integer number (71620536).

Almost surely, 2143241071 is an apocalyptic number.

143241071 is a deficient number, since it is larger than the sum of its proper divisors (1).

143241071 is an equidigital number, since it uses as much as digits as its factorization.

143241071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 143241071 is about 11968.3361834467. The cubic root of 143241071 is about 523.2258431604.

The spelling of 143241071 in words is "one hundred forty-three million, two hundred forty-one thousand, seventy-one".