142078144 has 28 divisors (see below), whose sum is σ = 303625504. Its totient is φ = 65574144.

The previous prime is 142078099. The next prime is 142078147. The reversal of 142078144 is 441870241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142078147) by changing a digit.

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, 84552 + ... + 86215.

It is an arithmetic number, because the mean of its divisors is an integer number (10843768).

Almost surely, 2^142078144 is an apocalyptic number.

It is an amenable number.

142078144 is an abundant number, since it is smaller than the sum of its proper divisors (161547360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142078144 is a wasteful number, since it uses less digits than its factorization.

142078144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170792 (or 170782 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 142078144 is about 11919.6536862444. The cubic root of 142078144 is about 521.8060278600.

The spelling of 142078144 in words is "one hundred forty-two million, seventy-eight thousand, one hundred forty-four".