142236593 has 2 divisors, whose sum is σ = 142236594. Its totient is φ = 142236592.

The previous prime is 142236581. The next prime is 142236613. The reversal of 142236593 is 395632241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130347889 + 11888704 = 11417^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 142236593 - 2⁶ = 142236529 is a prime.

It is not a weakly prime, because it can be changed into another prime (142236533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71118296 + 71118297.

It is an arithmetic number, because the mean of its divisors is an integer number (71118297).

Almost surely, 2^142236593 is an apocalyptic number.

It is an amenable number.

142236593 is a deficient number, since it is larger than the sum of its proper divisors (1).

142236593 is an equidigital number, since it uses as much as digits as its factorization.

142236593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 142236593 is about 11926.2983779545. The cubic root of 142236593 is about 521.9999327178. Note that the first 4 decimals are identical.

The spelling of 142236593 in words is "one hundred forty-two million, two hundred thirty-six thousand, five hundred ninety-three".