142004006 has 4 divisors (see below), whose sum is σ = 213006012. Its totient is φ = 71002002.

The previous prime is 142003999. The next prime is 142004029. The reversal of 142004006 is 600400241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600400241 = 7 ⋅85771463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35501000 + ... + 35501003.

It is an arithmetic number, because the mean of its divisors is an integer number (53251503).

Almost surely, 2^142004006 is an apocalyptic number.

142004006 is a deficient number, since it is larger than the sum of its proper divisors (71002006).

142004006 is an equidigital number, since it uses as much as digits as its factorization.

142004006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71002005.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142004006 is about 11916.5433746536. The cubic root of 142004006 is about 521.7152506182.

Adding to 142004006 its reverse (600400241), we get a palindrome (742404247).

The spelling of 142004006 in words is "one hundred forty-two million, four thousand, six".