142142046 has 8 divisors (see below), whose sum is σ = 284284104. Its totient is φ = 47380680.

The previous prime is 142142029. The next prime is 142142089. The reversal of 142142046 is 640241241.

It is a happy number.

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

142142046 is an admirable number.

It is a super-2 number, since 2×142142046² = 40408722482132232, which contains 22 as substring.

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, 11845165 + ... + 11845176.

It is an arithmetic number, because the mean of its divisors is an integer number (35535513).

Almost surely, 2^142142046 is an apocalyptic number.

142142046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142142046 is a wasteful number, since it uses less digits than its factorization.

142142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690346.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142142046 is about 11922.3339158069. Note that the first 3 decimals coincide. The cubic root of 142142046 is about 521.8842464376.

Adding to 142142046 its reverse (640241241), we get a palindrome (782383287).

The spelling of 142142046 in words is "one hundred forty-two million, one hundred forty-two thousand, forty-six".