7145741220 has 48 divisors (see below), whose sum is σ = 20015983680. Its totient is φ = 1904777856.

The previous prime is 7145741219. The next prime is 7145741221. The reversal of 7145741220 is 221475417.

It is an interprime number because it is at equal distance from previous prime (7145741219) and next prime (7145741221).

It is not an unprimeable number, because it can be changed into a prime (7145741221) 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 15 ways as a sum of consecutive naturals, for example, 138786 + ... + 183174.

It is an arithmetic number, because the mean of its divisors is an integer number (416999660).

Almost surely, 2^7145741220 is an apocalyptic number.

It is an amenable number.

7145741220 is an abundant number, since it is smaller than the sum of its proper divisors (12870242460).

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

7145741220 is a wasteful number, since it uses less digits than its factorization.

7145741220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47084 (or 47082 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 7145741220 is about 84532.4861813492. The cubic root of 7145741220 is about 1926.1159522543.

The spelling of 7145741220 in words is "seven billion, one hundred forty-five million, seven hundred forty-one thousand, two hundred twenty".