1797448045 has 32 divisors (see below), whose sum is σ = 2330025984. Its totient is φ = 1327233600.

The previous prime is 1797448033. The next prime is 1797448067. The reversal of 1797448045 is 5408447971.

It is not a de Polignac number, because 1797448045 - 2¹¹ = 1797445997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1797448045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2035174 + ... + 2036056.

It is an arithmetic number, because the mean of its divisors is an integer number (72813312).

Almost surely, 2^1797448045 is an apocalyptic number.

It is an amenable number.

1797448045 is a deficient number, since it is larger than the sum of its proper divisors (532577939).

1797448045 is a wasteful number, since it uses less digits than its factorization.

1797448045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 1797448045 is about 42396.3211257769. The cubic root of 1797448045 is about 1215.8652566408.

The spelling of 1797448045 in words is "one billion, seven hundred ninety-seven million, four hundred forty-eight thousand, forty-five".