19480045 has 32 divisors (see below), whose sum is σ = 27185760. Its totient is φ = 13317120.

The previous prime is 19480007. The next prime is 19480051. The reversal of 19480045 is 54008491.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 12152196 + 7327849 = 3486^2 + 2707^2 .

It is not a de Polignac number, because 19480045 - 2⁷ = 19479917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19479989 and 19480016.

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, 319315 + ... + 319375.

It is an arithmetic number, because the mean of its divisors is an integer number (849555).

Almost surely, 2^19480045 is an apocalyptic number.

It is an amenable number.

19480045 is a deficient number, since it is larger than the sum of its proper divisors (7705715).

19480045 is an equidigital number, since it uses as much as digits as its factorization.

19480045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 19480045 is about 4413.6203960015. The cubic root of 19480045 is about 269.0687855861.

The spelling of 19480045 in words is "nineteen million, four hundred eighty thousand, forty-five".