1884545045 has 8 divisors (see below), whose sum is σ = 2266493400. Its totient is φ = 1504276480.

The previous prime is 1884545027. The next prime is 1884545051. The reversal of 1884545045 is 5405454881.

It can be written as a sum of positive squares in 4 ways, for example, as 523082641 + 1361462404 = 22871^2 + 36898^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1884545045 - 2¹⁸ = 1884282901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1884544987 and 1884545005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417476 + ... + 421965.

It is an arithmetic number, because the mean of its divisors is an integer number (283311675).

Almost surely, 2^1884545045 is an apocalyptic number.

It is an amenable number.

1884545045 is a deficient number, since it is larger than the sum of its proper divisors (381948355).

1884545045 is an equidigital number, since it uses as much as digits as its factorization.

1884545045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839895.

The product of its (nonzero) digits is 512000, while the sum is 44.

The square root of 1884545045 is about 43411.3469613648. The cubic root of 1884545045 is about 1235.1949502930.

The spelling of 1884545045 in words is "one billion, eight hundred eighty-four million, five hundred forty-five thousand, forty-five".