142032005 has 4 divisors (see below), whose sum is σ = 170438412. Its totient is φ = 113625600.

The previous prime is 142031999. The next prime is 142032013. The reversal of 142032005 is 500230241.

142032005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72709729 + 69322276 = 8527^2 + 8326^2 .

It is not a de Polignac number, because 142032005 - 2⁶ = 142031941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14203196 + ... + 14203205.

It is an arithmetic number, because the mean of its divisors is an integer number (42609603).

Almost surely, 2^142032005 is an apocalyptic number.

It is an amenable number.

142032005 is a deficient number, since it is larger than the sum of its proper divisors (28406407).

142032005 is an equidigital number, since it uses as much as digits as its factorization.

142032005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28406406.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 142032005 is about 11917.7181121220. The cubic root of 142032005 is about 521.7495373161.

Adding to 142032005 its reverse (500230241), we get a palindrome (642262246).

The spelling of 142032005 in words is "one hundred forty-two million, thirty-two thousand, five".