190042 has 4 divisors (see below), whose sum is σ = 285066. Its totient is φ = 95020.

The previous prime is 190031. The next prime is 190051. The reversal of 190042 is 240091.

190042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 29241 = 401^2 + 171^2 .

It is a super-2 number, since 2×190042² = 72231923528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189998 and 190025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47509 + ... + 47512.

2¹⁹⁰⁰⁴² is an apocalyptic number.

190042 is a deficient number, since it is larger than the sum of its proper divisors (95024).

190042 is an equidigital number, since it uses as much as digits as its factorization.

190042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95023.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 190042 is about 435.9380689960. The cubic root of 190042 is about 57.4932065068.

It can be divided in two parts, 1900 and 42, that multiplied together give a triangular number (79800 = T₃₉₉).

The spelling of 190042 in words is "one hundred ninety thousand, forty-two".