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142844444445229 is a prime number
BaseRepresentation
bin100000011110101010010000…
…010111101000101000101101
3200201202210110221021212201221
4200132222100113220220231
5122210330410234221404
61223445455403103341
742042112332116212
oct4036522027505055
9621683427255657
10142844444445229
1141572a96a4029a
1214030263511b51
1361922339c8927
14273b9caa77b09
15117aaa255a954
hex81ea905e8a2d

142844444445229 has 2 divisors, whose sum is σ = 142844444445230. Its totient is φ = 142844444445228.

The previous prime is 142844444445221. The next prime is 142844444445317. The reversal of 142844444445229 is 922544444448241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142447924874025 + 396519571204 = 11935155^2 + 629698^2 .

It is a cyclic number.

It is not a de Polignac number, because 142844444445229 - 23 = 142844444445221 is a prime.

It is a super-2 number, since 2×1428444444452292 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142844444445221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71422222222614 + 71422222222615.

It is an arithmetic number, because the mean of its divisors is an integer number (71422222222615).

Almost surely, 2142844444445229 is an apocalyptic number.

It is an amenable number.

142844444445229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142844444445229 is an equidigital number, since it uses as much as digits as its factorization.

142844444445229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188743680, while the sum is 61.

The spelling of 142844444445229 in words is "one hundred forty-two trillion, eight hundred forty-four billion, four hundred forty-four million, four hundred forty-five thousand, two hundred twenty-nine".