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142263757 is a prime number
BaseRepresentation
bin10000111101011…
…00010111001101
3100220200202012001
420132230113031
5242404420012
622041112301
73345136066
oct1036542715
9326622161
10142263757
1173338959
123b788691
132362084c
1414c7356d
15c752357
hex87ac5cd

142263757 has 2 divisors, whose sum is σ = 142263758. Its totient is φ = 142263756.

The previous prime is 142263721. The next prime is 142263761. The reversal of 142263757 is 757362241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84290761 + 57972996 = 9181^2 + 7614^2 .

It is an emirp because it is prime and its reverse (757362241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142263757 - 227 = 8046029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142260757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71131878 + 71131879.

It is an arithmetic number, because the mean of its divisors is an integer number (71131879).

Almost surely, 2142263757 is an apocalyptic number.

It is an amenable number.

142263757 is a deficient number, since it is larger than the sum of its proper divisors (1).

142263757 is an equidigital number, since it uses as much as digits as its factorization.

142263757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 142263757 is about 11927.4371513750. The cubic root of 142263757 is about 522.0331606968.

The spelling of 142263757 in words is "one hundred forty-two million, two hundred sixty-three thousand, seven hundred fifty-seven".