Search a number
-
+
142305337 is a prime number
BaseRepresentation
bin10000111101101…
…10100000111001
3100220202212020001
420132312200321
5242412232322
622042033001
73345401236
oct1036664071
9326685201
10142305337
1173367119
123b7a8761
1323636755
1414c8478d
15c75e827
hex87b6839

142305337 has 2 divisors, whose sum is σ = 142305338. Its totient is φ = 142305336.

The previous prime is 142305313. The next prime is 142305341. The reversal of 142305337 is 733503241.

142305337 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., 103815721 + 38489616 = 10189^2 + 6204^2 .

It is an emirp because it is prime and its reverse (733503241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142305337 is a prime.

It is not a weakly prime, because it can be changed into another prime (142305637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71152668 + 71152669.

It is an arithmetic number, because the mean of its divisors is an integer number (71152669).

Almost surely, 2142305337 is an apocalyptic number.

It is an amenable number.

142305337 is a deficient number, since it is larger than the sum of its proper divisors (1).

142305337 is an equidigital number, since it uses as much as digits as its factorization.

142305337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 142305337 is about 11929.1800640279. The cubic root of 142305337 is about 522.0840146527.

Adding to 142305337 its reverse (733503241), we get a palindrome (875808578).

The spelling of 142305337 in words is "one hundred forty-two million, three hundred five thousand, three hundred thirty-seven".