142543406 has 8 divisors (see below), whose sum is σ = 213928680. Its totient is φ = 71233848.

The previous prime is 142543399. The next prime is 142543417. The reversal of 142543406 is 604345241.

142543406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 13961 + ... + 21908.

It is an arithmetic number, because the mean of its divisors is an integer number (26741085).

Almost surely, 2^142543406 is an apocalyptic number.

142543406 is a deficient number, since it is larger than the sum of its proper divisors (71385274).

142543406 is a wasteful number, since it uses less digits than its factorization.

142543406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37858.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 142543406 is about 11939.1543251606. The cubic root of 142543406 is about 522.3749917282.

Adding to 142543406 its reverse (604345241), we get a palindrome (746888647).

The spelling of 142543406 in words is "one hundred forty-two million, five hundred forty-three thousand, four hundred six".