142402006 has 8 divisors (see below), whose sum is σ = 220968720. Its totient is φ = 68745768.

The previous prime is 142401997. The next prime is 142402019. The reversal of 142402006 is 600204241.

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, 1227546 + ... + 1227661.

It is an arithmetic number, because the mean of its divisors is an integer number (27621090).

Almost surely, 2^142402006 is an apocalyptic number.

142402006 is a deficient number, since it is larger than the sum of its proper divisors (78566714).

142402006 is a wasteful number, since it uses less digits than its factorization.

142402006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455238.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142402006 is about 11933.2311634360. The cubic root of 142402006 is about 522.2022063217.

Adding to 142402006 its reverse (600204241), we get a palindrome (742606247).

The spelling of 142402006 in words is "one hundred forty-two million, four hundred two thousand, six".