142112246 has 8 divisors (see below), whose sum is σ = 220044864. Its totient is φ = 68763960.

The previous prime is 142112237. The next prime is 142112261. The reversal of 142112246 is 642211241.

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, 1146005 + ... + 1146128.

It is an arithmetic number, because the mean of its divisors is an integer number (27505608).

Almost surely, 2^142112246 is an apocalyptic number.

142112246 is a deficient number, since it is larger than the sum of its proper divisors (77932618).

142112246 is a wasteful number, since it uses less digits than its factorization.

142112246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292166.

The product of its digits is 768, while the sum is 23.

The square root of 142112246 is about 11921.0840949974. The cubic root of 142112246 is about 521.8477729757.

Adding to 142112246 its reverse (642211241), we get a palindrome (784323487).

The spelling of 142112246 in words is "one hundred forty-two million, one hundred twelve thousand, two hundred forty-six".