142194 has 16 divisors (see below), whose sum is σ = 306432. Its totient is φ = 43728.

The previous prime is 142193. The next prime is 142211. The reversal of 142194 is 491241.

142194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹⁴²¹⁹⁴ is an apocalyptic number.

142194 is an abundant number, since it is smaller than the sum of its proper divisors (164238).

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

142194 is a wasteful number, since it uses less digits than its factorization.

142194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its digits is 288, while the sum is 21.

The square root of 142194 is about 377.0861970425. The cubic root of 142194 is about 52.1947822914.

It can be divided in two parts, 1 and 42194, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 142194 in words is "one hundred forty-two thousand, one hundred ninety-four".