1048509445 has 16 divisors (see below), whose sum is σ = 1275264000. Its totient is φ = 827483008.

The previous prime is 1048509403. The next prime is 1048509457. The reversal of 1048509445 is 5449058401.

It is a cyclic number.

It is not a de Polignac number, because 1048509445 - 2⁷ = 1048509317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1048509398 and 1048509407.

It is a congruent number.

It is an unprimeable number.

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, 210696 + ... + 215614.

It is an arithmetic number, because the mean of its divisors is an integer number (79704000).

Almost surely, 2^1048509445 is an apocalyptic number.

It is an amenable number.

1048509445 is a deficient number, since it is larger than the sum of its proper divisors (226754555).

1048509445 is an equidigital number, since it uses as much as digits as its factorization.

1048509445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1048509445 is about 32380.6955607813. The cubic root of 1048509445 is about 1015.9151783637.

The spelling of 1048509445 in words is "one billion, forty-eight million, five hundred nine thousand, four hundred forty-five".