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144542041181 is a prime number
BaseRepresentation
bin1000011010011101100…
…0001000010001011101
3111211002101100110220122
42012213120020101131
54332010230304211
6150222433324325
713304613035606
oct2064730102135
9454071313818
10144542041181
115633323998a
122401aa066a5
1310826898425
146dd295cdad
153b5e8666db
hex21a760845d

144542041181 has 2 divisors, whose sum is σ = 144542041182. Its totient is φ = 144542041180.

The previous prime is 144542041109. The next prime is 144542041201. The reversal of 144542041181 is 181140245441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141651365956 + 2890675225 = 376366^2 + 53765^2 .

It is a cyclic number.

It is not a de Polignac number, because 144542041181 - 214 = 144542024797 is a prime.

It is a super-2 number, since 2×1445420411812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144542041081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72271020590 + 72271020591.

It is an arithmetic number, because the mean of its divisors is an integer number (72271020591).

Almost surely, 2144542041181 is an apocalyptic number.

It is an amenable number.

144542041181 is a deficient number, since it is larger than the sum of its proper divisors (1).

144542041181 is an equidigital number, since it uses as much as digits as its factorization.

144542041181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 144542041181 in words is "one hundred forty-four billion, five hundred forty-two million, forty-one thousand, one hundred eighty-one".