1024144985 has 16 divisors (see below), whose sum is σ = 1271296512. Its totient is φ = 791212800.

The previous prime is 1024144963. The next prime is 1024144987. The reversal of 1024144985 is 5894414201.

It is not a de Polignac number, because 1024144985 - 2⁸ = 1024144729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024144987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69377 + ... + 82833.

It is an arithmetic number, because the mean of its divisors is an integer number (79456032).

Almost surely, 2^1024144985 is an apocalyptic number.

It is an amenable number.

1024144985 is a deficient number, since it is larger than the sum of its proper divisors (247151527).

1024144985 is a wasteful number, since it uses less digits than its factorization.

1024144985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1024144985 is about 32002.2653104433. The cubic root of 1024144985 is about 1007.9844078932.

The spelling of 1024144985 in words is "one billion, twenty-four million, one hundred forty-four thousand, nine hundred eighty-five".