190142205 has 32 divisors (see below), whose sum is σ = 332702208. Its totient is φ = 91963200.

The previous prime is 190142167. The next prime is 190142207. The reversal of 190142205 is 502241091.

It is not a de Polignac number, because 190142205 - 2¹⁰ = 190141181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190142207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79842 + ... + 82188.

It is an arithmetic number, because the mean of its divisors is an integer number (10396944).

Almost surely, 2^190142205 is an apocalyptic number.

190142205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190142205 is a deficient number, since it is larger than the sum of its proper divisors (142560003).

190142205 is a wasteful number, since it uses less digits than its factorization.

190142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 190142205 is about 13789.2061047763. The cubic root of 190142205 is about 575.0330970237.

Adding to 190142205 its reverse (502241091), we get a palindrome (692383296).

The spelling of 190142205 in words is "one hundred ninety million, one hundred forty-two thousand, two hundred five".