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142697 is a prime number
BaseRepresentation
bin100010110101101001
321020202002
4202311221
514031242
63020345
71133012
oct426551
9236662
10142697
1198235
126a6b5
134cc49
143a009
152c432
hex22d69

142697 has 2 divisors, whose sum is σ = 142698. Its totient is φ = 142696.

The previous prime is 142673. The next prime is 142699. The reversal of 142697 is 796241.

142697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132496 + 10201 = 364^2 + 101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142697 is a prime.

Together with 142699, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 48 + 64 + 23 + 95 + 75 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142697.

It is not a weakly prime, because it can be changed into another prime (142699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71348 + 71349.

It is an arithmetic number, because the mean of its divisors is an integer number (71349).

2142697 is an apocalyptic number.

It is an amenable number.

142697 is a deficient number, since it is larger than the sum of its proper divisors (1).

142697 is an equidigital number, since it uses as much as digits as its factorization.

142697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 142697 is about 377.7525645181. The cubic root of 142697 is about 52.2562548314.

The spelling of 142697 in words is "one hundred forty-two thousand, six hundred ninety-seven".