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142313497 is a prime number
BaseRepresentation
bin10000111101110…
…00100000011001
3100220210021102021
420132320200121
5242413012442
622042134441
73345434104
oct1036704031
9326707367
10142313497
1173372267
123b7b1421
132363a391
1414c8773b
15c761e67
hex87b8819

142313497 has 2 divisors, whose sum is σ = 142313498. Its totient is φ = 142313496.

The previous prime is 142313491. The next prime is 142313503. The reversal of 142313497 is 794313241.

It is a balanced prime because it is at equal distance from previous prime (142313491) and next prime (142313503).

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 53275401 = 9436^2 + 7299^2 .

It is a cyclic number.

It is not a de Polignac number, because 142313497 - 215 = 142280729 is a prime.

It is not a weakly prime, because it can be changed into another prime (142313491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156748 + 71156749.

It is an arithmetic number, because the mean of its divisors is an integer number (71156749).

Almost surely, 2142313497 is an apocalyptic number.

It is an amenable number.

142313497 is a deficient number, since it is larger than the sum of its proper divisors (1).

142313497 is an equidigital number, since it uses as much as digits as its factorization.

142313497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 142313497 is about 11929.5220776023. The cubic root of 142313497 is about 522.0939934870.

The spelling of 142313497 in words is "one hundred forty-two million, three hundred thirteen thousand, four hundred ninety-seven".