190142 has 4 divisors (see below), whose sum is σ = 285216. Its totient is φ = 95070.

The previous prime is 190129. The next prime is 190147. The reversal of 190142 is 241091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241091 = 19 ⋅12689.

It is a self number, because there is not a number n which added to its sum of digits gives 190142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47534 + ... + 47537.

It is an arithmetic number, because the mean of its divisors is an integer number (71304).

2¹⁹⁰¹⁴² is an apocalyptic number.

190142 is a deficient number, since it is larger than the sum of its proper divisors (95074).

190142 is an equidigital number, since it uses as much as digits as its factorization.

190142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95073.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 190142 is about 436.0527491027. The cubic root of 190142 is about 57.5032890368.

The spelling of 190142 in words is "one hundred ninety thousand, one hundred forty-two".