142202278 has 8 divisors (see below), whose sum is σ = 213450768. Its totient is φ = 71052024.

The previous prime is 142202273. The next prime is 142202299. The reversal of 142202278 is 872202241.

142202278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142202273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20826 + ... + 26797.

It is an arithmetic number, because the mean of its divisors is an integer number (26681346).

Almost surely, 2^142202278 is an apocalyptic number.

142202278 is a deficient number, since it is larger than the sum of its proper divisors (71248490).

142202278 is a wasteful number, since it uses less digits than its factorization.

142202278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49118.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 142202278 is about 11924.8596637445. The cubic root of 142202278 is about 521.9579513308.

The spelling of 142202278 in words is "one hundred forty-two million, two hundred two thousand, two hundred seventy-eight".