142278594 has 16 divisors (see below), whose sum is σ = 284912832. Its totient is φ = 47366928.

The previous prime is 142278589. The next prime is 142278601. The reversal of 142278594 is 495872241.

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, 9469 + ... + 19344.

It is an arithmetic number, because the mean of its divisors is an integer number (17807052).

Almost surely, 2^142278594 is an apocalyptic number.

142278594 is an abundant number, since it is smaller than the sum of its proper divisors (142634238).

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

142278594 is a wasteful number, since it uses less digits than its factorization.

142278594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29641.

The product of its digits is 161280, while the sum is 42.

The square root of 142278594 is about 11928.0591044813. The cubic root of 142278594 is about 522.0513080613.

The spelling of 142278594 in words is "one hundred forty-two million, two hundred seventy-eight thousand, five hundred ninety-four".