7145489532 has 24 divisors (see below), whose sum is σ = 16828632576. Its totient is φ = 2359569328.

The previous prime is 7145489531. The next prime is 7145489551. The reversal of 7145489532 is 2359845417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145489531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781228 + ... + 2783795.

It is an arithmetic number, because the mean of its divisors is an integer number (701193024).

Almost surely, 2^7145489532 is an apocalyptic number.

It is an amenable number.

7145489532 is an abundant number, since it is smaller than the sum of its proper divisors (9683143044).

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

7145489532 is a wasteful number, since it uses less digits than its factorization.

7145489532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565137 (or 5565135 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 7145489532 is about 84530.9974624694. The cubic root of 7145489532 is about 1926.0933380403.

The spelling of 7145489532 in words is "seven billion, one hundred forty-five million, four hundred eighty-nine thousand, five hundred thirty-two".