142034005 has 4 divisors (see below), whose sum is σ = 170440812. Its totient is φ = 113627200.

The previous prime is 142034003. The next prime is 142034029. The reversal of 142034005 is 500430241.

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 26234884 + 115799121 = 5122^2 + 10761^2 .

It is not a de Polignac number, because 142034005 - 2¹ = 142034003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142034003) 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 3 ways as a sum of consecutive naturals, for example, 14203396 + ... + 14203405.

It is an arithmetic number, because the mean of its divisors is an integer number (42610203).

Almost surely, 2^142034005 is an apocalyptic number.

It is an amenable number.

142034005 is a deficient number, since it is larger than the sum of its proper divisors (28406807).

142034005 is an equidigital number, since it uses as much as digits as its factorization.

142034005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28406806.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142034005 is about 11917.8020205070. The cubic root of 142034005 is about 521.7519862810.

Adding to 142034005 its reverse (500430241), we get a palindrome (642464246).

The spelling of 142034005 in words is "one hundred forty-two million, thirty-four thousand, five".