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142875829 is a prime number
BaseRepresentation
bin10001000010000…
…01110010110101
3100221211211210101
420201001302311
5243034011304
622102154101
73353265415
oct1041016265
9327754711
10142875829
11737167a8
123ba22931
13237a6315
1414d92645
15c8238a4
hex8841cb5

142875829 has 2 divisors, whose sum is σ = 142875830. Its totient is φ = 142875828.

The previous prime is 142875823. The next prime is 142875893. The reversal of 142875829 is 928578241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 67272804 = 8695^2 + 8202^2 .

It is a cyclic number.

It is not a de Polignac number, because 142875829 - 211 = 142873781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142875823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71437914 + 71437915.

It is an arithmetic number, because the mean of its divisors is an integer number (71437915).

Almost surely, 2142875829 is an apocalyptic number.

It is an amenable number.

142875829 is a deficient number, since it is larger than the sum of its proper divisors (1).

142875829 is an equidigital number, since it uses as much as digits as its factorization.

142875829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 142875829 is about 11953.0677652224. The cubic root of 142875829 is about 522.7807503507.

The spelling of 142875829 in words is "one hundred forty-two million, eight hundred seventy-five thousand, eight hundred twenty-nine".