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142115033 is a prime number
BaseRepresentation
bin10000111100010…
…00000011011001
3100220102012011202
420132020003121
5242340140113
622034003545
73343646354
oct1036100331
9326365152
10142115033
1173247145
123b7165b5
132359ac48
1414c3529b
15c723258
hex87880d9

142115033 has 2 divisors, whose sum is σ = 142115034. Its totient is φ = 142115032.

The previous prime is 142115021. The next prime is 142115047. The reversal of 142115033 is 330511241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 56145049 = 9272^2 + 7493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142115033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142114996 and 142115014.

It is not a weakly prime, because it can be changed into another prime (142115063) 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, 71057516 + 71057517.

It is an arithmetic number, because the mean of its divisors is an integer number (71057517).

Almost surely, 2142115033 is an apocalyptic number.

It is an amenable number.

142115033 is a deficient number, since it is larger than the sum of its proper divisors (1).

142115033 is an equidigital number, since it uses as much as digits as its factorization.

142115033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 142115033 is about 11921.2009881555. The cubic root of 142115033 is about 521.8511843172.

Adding to 142115033 its reverse (330511241), we get a palindrome (472626274).

The spelling of 142115033 in words is "one hundred forty-two million, one hundred fifteen thousand, thirty-three".