190542 has 16 divisors (see below), whose sum is σ = 415872. Its totient is φ = 57720.

The previous prime is 190537. The next prime is 190543. The reversal of 190542 is 245091.

190542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190543) 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, 1378 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (25992).

2¹⁹⁰⁵⁴² is an apocalyptic number.

190542 is an abundant number, since it is smaller than the sum of its proper divisors (225330).

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

190542 is a wasteful number, since it uses less digits than its factorization.

190542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 190542 is about 436.5111682420. The cubic root of 190542 is about 57.5435838432.

The spelling of 190542 in words is "one hundred ninety thousand, five hundred forty-two".