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142355041 is a prime number
BaseRepresentation
bin10000111110000…
…10101001100001
3100220212101101221
420133002221201
5242420330131
622043055041
73345666163
oct1037025141
9326771357
10142355041
11733a04a4
123b811481
132365326a
1414c98933
15c76e411
hex87c2a61

142355041 has 2 divisors, whose sum is σ = 142355042. Its totient is φ = 142355040.

The previous prime is 142355039. The next prime is 142355089. The reversal of 142355041 is 140553241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 25715041 = 10800^2 + 5071^2 .

It is a cyclic number.

It is not a de Polignac number, because 142355041 - 21 = 142355039 is a prime.

It is a super-2 number, since 2×1423550412 = 40529915396223362, which contains 22 as substring.

Together with 142355039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 142354997 and 142355015.

It is not a weakly prime, because it can be changed into another prime (142355341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177520 + 71177521.

It is an arithmetic number, because the mean of its divisors is an integer number (71177521).

Almost surely, 2142355041 is an apocalyptic number.

It is an amenable number.

142355041 is a deficient number, since it is larger than the sum of its proper divisors (1).

142355041 is an equidigital number, since it uses as much as digits as its factorization.

142355041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142355041 is about 11931.2631770488. The cubic root of 142355041 is about 522.1447915797.

The spelling of 142355041 in words is "one hundred forty-two million, three hundred fifty-five thousand, forty-one".