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142429849 is a prime number
BaseRepresentation
bin10000111110101…
…00111010011001
3100221000012000121
420133110322121
5242430223344
622044433241
73346430242
oct1037247231
9327005017
10142429849
1173441721
123b848821
132367b323
1414cb7cc9
15c786684
hex87d4e99

142429849 has 2 divisors, whose sum is σ = 142429850. Its totient is φ = 142429848.

The previous prime is 142429831. The next prime is 142429867. The reversal of 142429849 is 948924241.

It is a balanced prime because it is at equal distance from previous prime (142429831) and next prime (142429867).

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 69839449 = 8520^2 + 8357^2 .

It is a cyclic number.

It is not a de Polignac number, because 142429849 - 215 = 142397081 is a prime.

It is not a weakly prime, because it can be changed into another prime (142429879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71214924 + 71214925.

It is an arithmetic number, because the mean of its divisors is an integer number (71214925).

Almost surely, 2142429849 is an apocalyptic number.

It is an amenable number.

142429849 is a deficient number, since it is larger than the sum of its proper divisors (1).

142429849 is an equidigital number, since it uses as much as digits as its factorization.

142429849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 142429849 is about 11934.3977225497. The cubic root of 142429849 is about 522.2362384465.

The spelling of 142429849 in words is "one hundred forty-two million, four hundred twenty-nine thousand, eight hundred forty-nine".