142100278 has 8 divisors (see below), whose sum is σ = 224368920. Its totient is φ = 67310640.

The previous prime is 142100227. The next prime is 142100281. The reversal of 142100278 is 872001241.

It is a happy number.

142100278 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869703 + ... + 1869778.

It is an arithmetic number, because the mean of its divisors is an integer number (28046115).

Almost surely, 2^142100278 is an apocalyptic number.

142100278 is a deficient number, since it is larger than the sum of its proper divisors (82268642).

142100278 is a wasteful number, since it uses less digits than its factorization.

142100278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739502.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 142100278 is about 11920.5821166586. The cubic root of 142100278 is about 521.8331234066.

The spelling of 142100278 in words is "one hundred forty-two million, one hundred thousand, two hundred seventy-eight".