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142044229 is a prime number
BaseRepresentation
bin10000111011101…
…10110001000101
3100220021121001101
420131312301011
5242330403404
622032300101
73343233055
oct1035666105
9326247041
10142044229
11731a8a28
123b6a1631
1323574952
1414c17565
15c70c2a4
hex8776c45

142044229 has 2 divisors, whose sum is σ = 142044230. Its totient is φ = 142044228.

The previous prime is 142044223. The next prime is 142044241. The reversal of 142044229 is 922440241.

142044229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133056225 + 8988004 = 11535^2 + 2998^2 .

It is an emirp because it is prime and its reverse (922440241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142044229 - 27 = 142044101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142044197 and 142044206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142044223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022114 + 71022115.

It is an arithmetic number, because the mean of its divisors is an integer number (71022115).

Almost surely, 2142044229 is an apocalyptic number.

It is an amenable number.

142044229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142044229 is an equidigital number, since it uses as much as digits as its factorization.

142044229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 142044229 is about 11918.2309509423. The cubic root of 142044229 is about 521.7645050303.

The spelling of 142044229 in words is "one hundred forty-two million, forty-four thousand, two hundred twenty-nine".