142044194 has 8 divisors (see below), whose sum is σ = 213217488. Its totient is φ = 70971700.

The previous prime is 142044169. The next prime is 142044223. The reversal of 142044194 is 491440241.

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

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, 21572 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (26652186).

Almost surely, 2^142044194 is an apocalyptic number.

142044194 is a deficient number, since it is larger than the sum of its proper divisors (71173294).

142044194 is a wasteful number, since it uses less digits than its factorization.

142044194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 142044194 is about 11918.2294826035. The cubic root of 142044194 is about 521.7644621757.

The spelling of 142044194 in words is "one hundred forty-two million, forty-four thousand, one hundred ninety-four".