1928230045 has 16 divisors (see below), whose sum is σ = 2649104640. Its totient is φ = 1319877504.

The previous prime is 1928230043. The next prime is 1928230061. The reversal of 1928230045 is 5400328291.

It is a cyclic number.

It is not a de Polignac number, because 1928230045 - 2¹ = 1928230043 is a prime.

It is a super-2 number, since 2×1928230045² = 7436142212881404050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928230043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28497 + ... + 68326.

It is an arithmetic number, because the mean of its divisors is an integer number (165569040).

Almost surely, 2^1928230045 is an apocalyptic number.

It is an amenable number.

1928230045 is a deficient number, since it is larger than the sum of its proper divisors (720874595).

1928230045 is an equidigital number, since it uses as much as digits as its factorization.

1928230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97404.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1928230045 is about 43911.6162877205. The cubic root of 1928230045 is about 1244.6663503813. Note that the first 3 decimals are identical.

The spelling of 1928230045 in words is "one billion, nine hundred twenty-eight million, two hundred thirty thousand, forty-five".