142847593 has 6 divisors (see below), whose sum is σ = 166169706. Its totient is φ = 122440752.

The previous prime is 142847531. The next prime is 142847609. The reversal of 142847593 is 395748241.

It can be written as a sum of positive squares in only one way, i.e., 132434064 + 10413529 = 11508^2 + 3227^2 .

It is not a de Polignac number, because 142847593 - 2¹³ = 142839401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142847093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457580 + ... + 1457677.

It is an arithmetic number, because the mean of its divisors is an integer number (27694951).

Almost surely, 2^142847593 is an apocalyptic number.

It is an amenable number.

142847593 is a deficient number, since it is larger than the sum of its proper divisors (23322113).

142847593 is an equidigital number, since it uses as much as digits as its factorization.

142847593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915271 (or 2915264 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 142847593 is about 11951.8865874807. The cubic root of 142847593 is about 522.7463096995.

The spelling of 142847593 in words is "one hundred forty-two million, eight hundred forty-seven thousand, five hundred ninety-three".