142543213 has 8 divisors (see below), whose sum is σ = 148926528. Its totient is φ = 136175424.

The previous prime is 142543211. The next prime is 142543217. The reversal of 142543213 is 312345241.

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

It is a cyclic number.

It is not a de Polignac number, because 142543213 - 2¹ = 142543211 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 (142543211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17445 + ... + 24277.

It is an arithmetic number, because the mean of its divisors is an integer number (18615816).

Almost surely, 2^142543213 is an apocalyptic number.

It is an amenable number.

142543213 is a deficient number, since it is larger than the sum of its proper divisors (6383315).

142543213 is an equidigital number, since it uses as much as digits as its factorization.

142543213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763.

The product of its digits is 2880, while the sum is 25.

The square root of 142543213 is about 11939.1462425083. The cubic root of 142543213 is about 522.3747559675.

Adding to 142543213 its reverse (312345241), we get a palindrome (454888454).

The spelling of 142543213 in words is "one hundred forty-two million, five hundred forty-three thousand, two hundred thirteen".