142046878 has 16 divisors (see below), whose sum is σ = 222917184. Its totient is φ = 67815040.

The previous prime is 142046803. The next prime is 142046899. The reversal of 142046878 is 878640241.

It is a self number, because there is not a number n which added to its sum of digits gives 142046878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14575 + ... + 22282.

It is an arithmetic number, because the mean of its divisors is an integer number (13932324).

Almost surely, 2^142046878 is an apocalyptic number.

142046878 is a deficient number, since it is larger than the sum of its proper divisors (80870306).

142046878 is a wasteful number, since it uses less digits than its factorization.

142046878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36947.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 142046878 is about 11918.3420826892. The cubic root of 142046878 is about 521.7677484932.

The spelling of 142046878 in words is "one hundred forty-two million, forty-six thousand, eight hundred seventy-eight".