8145578441 has 48 divisors (see below), whose sum is σ = 11644000128. Its totient is φ = 5514163200.

The previous prime is 8145578431. The next prime is 8145578443. The reversal of 8145578441 is 1448755418.

It is not a de Polignac number, because 8145578441 - 2²² = 8141384137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8145578443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202811 + ... + 239631.

It is an arithmetic number, because the mean of its divisors is an integer number (242583336).

Almost surely, 2^8145578441 is an apocalyptic number.

It is an amenable number.

8145578441 is a deficient number, since it is larger than the sum of its proper divisors (3498421687).

8145578441 is a wasteful number, since it uses less digits than its factorization.

8145578441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36882 (or 36869 counting only the distinct ones).

The product of its digits is 716800, while the sum is 47.

The square root of 8145578441 is about 90252.8583536278. The cubic root of 8145578441 is about 2012.0586846888.

The spelling of 8145578441 in words is "eight billion, one hundred forty-five million, five hundred seventy-eight thousand, four hundred forty-one".