1803245450 has 12 divisors (see below), whose sum is σ = 3354036630. Its totient is φ = 721298160.

The previous prime is 1803245419. The next prime is 1803245453. The reversal of 1803245450 is 545423081.

It can be written as a sum of positive squares in 3 ways, for example, as 1751506201 + 51739249 = 41851^2 + 7193^2 .

It is not an unprimeable number, because it can be changed into a prime (1803245453) 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 5 ways as a sum of consecutive naturals, for example, 18032405 + ... + 18032504.

Almost surely, 2^1803245450 is an apocalyptic number.

1803245450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1803245450 is a deficient number, since it is larger than the sum of its proper divisors (1550791180).

1803245450 is a wasteful number, since it uses less digits than its factorization.

1803245450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36064921 (or 36064916 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1803245450 is about 42464.6376412186. The cubic root of 1803245450 is about 1217.1710521045.

The spelling of 1803245450 in words is "one billion, eight hundred three million, two hundred forty-five thousand, four hundred fifty".