142003213 has 16 divisors (see below), whose sum is σ = 159268032. Its totient is φ = 125488000.

The previous prime is 142003171. The next prime is 142003223. The reversal of 142003213 is 312300241.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-142003213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142003223) 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 15 ways as a sum of consecutive naturals, for example, 207570 + ... + 208252.

It is an arithmetic number, because the mean of its divisors is an integer number (9954252).

Almost surely, 2^142003213 is an apocalyptic number.

It is an amenable number.

142003213 is a deficient number, since it is larger than the sum of its proper divisors (17264819).

142003213 is a wasteful number, since it uses less digits than its factorization.

142003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142003213 is about 11916.5101015356. The cubic root of 142003213 is about 521.7142794696.

Adding to 142003213 its reverse (312300241), we get a palindrome (454303454).

The spelling of 142003213 in words is "one hundred forty-two million, three thousand, two hundred thirteen".