19481045 has 8 divisors (see below), whose sum is σ = 23500800. Its totient is φ = 15502480.

The previous prime is 19481041. The next prime is 19481047. The reversal of 19481045 is 54018491.

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

It is not a de Polignac number, because 19481045 - 2² = 19481041 is a prime.

It is a super-2 number, since 2×19481045² = 759022228584050, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19481041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9245 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (2937600).

Almost surely, 2^19481045 is an apocalyptic number.

It is an amenable number.

19481045 is a deficient number, since it is larger than the sum of its proper divisors (4019755).

19481045 is a wasteful number, since it uses less digits than its factorization.

19481045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 19481045 is about 4413.7336802304. The cubic root of 19481045 is about 269.0733896854.

The spelling of 19481045 in words is "nineteen million, four hundred eighty-one thousand, forty-five".