190828845 has 64 divisors (see below), whose sum is σ = 355968000. Its totient is φ = 96864768.

The previous prime is 190828831. The next prime is 190828853. The reversal of 190828845 is 548828091.

It is a happy number.

It is not a de Polignac number, because 190828845 - 2¹³ = 190820653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190828845.

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 63 ways as a sum of consecutive naturals, for example, 308977 + ... + 309593.

It is an arithmetic number, because the mean of its divisors is an integer number (5562000).

Almost surely, 2^190828845 is an apocalyptic number.

190828845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190828845 is a deficient number, since it is larger than the sum of its proper divisors (165139155).

190828845 is a wasteful number, since it uses less digits than its factorization.

190828845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 190828845 is about 13814.0814026847. The cubic root of 190828845 is about 575.7244504506.

The spelling of 190828845 in words is "one hundred ninety million, eight hundred twenty-eight thousand, eight hundred forty-five".