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142458539 is a prime number
BaseRepresentation
bin10000111110110…
…11111010101011
3100221001122101012
420133123322223
5242432133124
622045214135
73346610006
oct1037337253
9327048335
10142458539
1173461233
123b86134b
132368b3c2
1414cc453d
15c78ee0e
hex87dbeab

142458539 has 2 divisors, whose sum is σ = 142458540. Its totient is φ = 142458538.

The previous prime is 142458499. The next prime is 142458553. The reversal of 142458539 is 935854241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142458539 - 220 = 141409963 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142458496 and 142458505.

It is not a weakly prime, because it can be changed into another prime (142458139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71229269 + 71229270.

It is an arithmetic number, because the mean of its divisors is an integer number (71229270).

Almost surely, 2142458539 is an apocalyptic number.

142458539 is a deficient number, since it is larger than the sum of its proper divisors (1).

142458539 is an equidigital number, since it uses as much as digits as its factorization.

142458539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The square root of 142458539 is about 11935.5996497872. The cubic root of 142458539 is about 522.2713012087.

The spelling of 142458539 in words is "one hundred forty-two million, four hundred fifty-eight thousand, five hundred thirty-nine".