7145000000 has 112 divisors (see below), whose sum is σ = 17735306160. Its totient is φ = 2856000000.

The previous prime is 7144999987. The next prime is 7145000029. The reversal of 7145000000 is 5417.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3767995456 + 3377004544 = 61384^2 + 58112^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4999286 + ... + 5000714.

Almost surely, 2^7145000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8867653080).

7145000000 is an abundant number, since it is smaller than the sum of its proper divisors (10590306160).

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

7145000000 is an frugal number, since it uses more digits than its factorization.

7145000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 7145000000 is about 84528.1018360166. The cubic root of 7145000000 is about 1926.0493519774.

Adding to 7145000000 its reverse (5417), we get a palindrome (7145005417).

The spelling of 7145000000 in words is "seven billion, one hundred forty-five million", and thus it is an aban number.