19485445 has 8 divisors (see below), whose sum is σ = 26722944. Its totient is φ = 13361424.

The previous prime is 19485377. The next prime is 19485463. The reversal of 19485445 is 54458491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19485445 - 2¹¹ = 19483397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19485398 and 19485407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278329 + ... + 278398.

It is an arithmetic number, because the mean of its divisors is an integer number (3340368).

Almost surely, 2^19485445 is an apocalyptic number.

It is an amenable number.

19485445 is a deficient number, since it is larger than the sum of its proper divisors (7237499).

19485445 is an equidigital number, since it uses as much as digits as its factorization.

19485445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556739.

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

The square root of 19485445 is about 4414.2320962994. The cubic root of 19485445 is about 269.0936458505.

The spelling of 19485445 in words is "nineteen million, four hundred eighty-five thousand, four hundred forty-five".