142041278 has 8 divisors (see below), whose sum is σ = 213743568. Its totient is φ = 70793424.

The previous prime is 142041259. The next prime is 142041281. The reversal of 142041278 is 872140241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142041278.

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, 112826 + ... + 114077.

It is an arithmetic number, because the mean of its divisors is an integer number (26717946).

Almost surely, 2^142041278 is an apocalyptic number.

142041278 is a deficient number, since it is larger than the sum of its proper divisors (71702290).

142041278 is a wasteful number, since it uses less digits than its factorization.

142041278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227218.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 142041278 is about 11918.1071483688. The cubic root of 142041278 is about 521.7608917479.

The spelling of 142041278 in words is "one hundred forty-two million, forty-one thousand, two hundred seventy-eight".