142003235 has 8 divisors (see below), whose sum is σ = 185895216. Its totient is φ = 103275040.

The previous prime is 142003229. The next prime is 142003237. The reversal of 142003235 is 532300241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142003235 - 2⁶ = 142003171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142003237) 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 7 ways as a sum of consecutive naturals, for example, 1290884 + ... + 1290993.

It is an arithmetic number, because the mean of its divisors is an integer number (23236902).

Almost surely, 2^142003235 is an apocalyptic number.

142003235 is a deficient number, since it is larger than the sum of its proper divisors (43891981).

142003235 is a wasteful number, since it uses less digits than its factorization.

142003235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581893.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 142003235 is about 11916.5110246246. The cubic root of 142003235 is about 521.7143064120.

Adding to 142003235 its reverse (532300241), we get a palindrome (674303476).

The spelling of 142003235 in words is "one hundred forty-two million, three thousand, two hundred thirty-five".