142603589 has 2 divisors, whose sum is σ = 142603590. Its totient is φ = 142603588.

The previous prime is 142603547. The next prime is 142603619. The reversal of 142603589 is 985306241.

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., 108847489 + 33756100 = 10433^2 + 5810^2 .

It is an emirp because it is prime and its reverse (985306241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142603589 - 2²⁴ = 125826373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142602589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71301794 + 71301795.

It is an arithmetic number, because the mean of its divisors is an integer number (71301795).

Almost surely, 2^142603589 is an apocalyptic number.

It is an amenable number.

142603589 is a deficient number, since it is larger than the sum of its proper divisors (1).

142603589 is an equidigital number, since it uses as much as digits as its factorization.

142603589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 142603589 is about 11941.6744638263. The cubic root of 142603589 is about 522.4484983921.

The spelling of 142603589 in words is "one hundred forty-two million, six hundred three thousand, five hundred eighty-nine".