1798445144 has 16 divisors (see below), whose sum is σ = 3372733320. Its totient is φ = 899049600.

The previous prime is 1798445107. The next prime is 1798445167. The reversal of 1798445144 is 4415448971.

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 3 ways as a sum of consecutive naturals, for example, 29744 + ... + 66944.

Almost surely, 2^1798445144 is an apocalyptic number.

It is an amenable number.

1798445144 is a deficient number, since it is larger than the sum of its proper divisors (1574288176).

1798445144 is a wasteful number, since it uses less digits than its factorization.

1798445144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43250 (or 43246 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 1798445144 is about 42408.0787586516. The cubic root of 1798445144 is about 1216.0900408713.

The spelling of 1798445144 in words is "one billion, seven hundred ninety-eight million, four hundred forty-five thousand, one hundred forty-four".