7145289585 has 64 divisors (see below), whose sum is σ = 14528194560. Its totient is φ = 3263993280.

The previous prime is 7145289581. The next prime is 7145289589. The reversal of 7145289585 is 5859825417.

7145289585 is a `hidden beast` number, since 7 + 1 + 4 + 52 + 8 + 9 + 585 = 666.

It is an interprime number because it is at equal distance from previous prime (7145289581) and next prime (7145289589).

It is not a de Polignac number, because 7145289585 - 2² = 7145289581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7145289581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2117950 + ... + 2121320.

It is an arithmetic number, because the mean of its divisors is an integer number (227003040).

Almost surely, 2^7145289585 is an apocalyptic number.

It is an amenable number.

7145289585 is an abundant number, since it is smaller than the sum of its proper divisors (7382904975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145289585 is a wasteful number, since it uses less digits than its factorization.

7145289585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635 (or 5629 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 54.

The square root of 7145289585 is about 84529.8147697012. The cubic root of 7145289585 is about 1926.0753723864.

The spelling of 7145289585 in words is "seven billion, one hundred forty-five million, two hundred eighty-nine thousand, five hundred eighty-five".