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142525837 is a prime number
BaseRepresentation
bin10000111111011…
…00010110001101
3100221012001200201
420133230112031
5242441311322
622050453501
73350310136
oct1037542615
9327161621
10142525837
11734a7853
123b894291
13236b2c1c
1414d00c8d
15c7a4d27
hex87ec58d

142525837 has 2 divisors, whose sum is σ = 142525838. Its totient is φ = 142525836.

The previous prime is 142525811. The next prime is 142525843. The reversal of 142525837 is 738525241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 24890121 = 10846^2 + 4989^2 .

It is a cyclic number.

It is not a de Polignac number, because 142525837 - 215 = 142493069 is a prime.

It is a super-2 number, since 2×1425258372 = 40627228425101138, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142525796 and 142525805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142525037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71262918 + 71262919.

It is an arithmetic number, because the mean of its divisors is an integer number (71262919).

Almost surely, 2142525837 is an apocalyptic number.

It is an amenable number.

142525837 is a deficient number, since it is larger than the sum of its proper divisors (1).

142525837 is an equidigital number, since it uses as much as digits as its factorization.

142525837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 142525837 is about 11938.4185301069. The cubic root of 142525837 is about 522.3535292990.

The spelling of 142525837 in words is "one hundred forty-two million, five hundred twenty-five thousand, eight hundred thirty-seven".