190282805 has 18 divisors (see below), whose sum is σ = 237134358. Its totient is φ = 146575440.

The previous prime is 190282787. The next prime is 190282843. The reversal of 190282805 is 508282091.

It can be written as a sum of positive squares in only one way, i.e., 152226244 + 38056561 = 12338^2 + 6169^2 .

It is not a de Polignac number, because 190282805 - 2¹⁸ = 190020661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 956096 + ... + 956294.

It is an arithmetic number, because the mean of its divisors is an integer number (13174131).

Almost surely, 2^190282805 is an apocalyptic number.

It is an amenable number.

190282805 is a deficient number, since it is larger than the sum of its proper divisors (46851553).

190282805 is an frugal number, since it uses more digits than its factorization.

190282805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 190282805 is about 13794.3033531962. The cubic root of 190282805 is about 575.1747975185.

Multiplying 190282805 by its product of nonzero digits (11520), we get a square (2192057913600 = 1480560²).

The spelling of 190282805 in words is "one hundred ninety million, two hundred eighty-two thousand, eight hundred five".