7145665460 has 12 divisors (see below), whose sum is σ = 15005897508. Its totient is φ = 2858266176.

The previous prime is 7145665459. The next prime is 7145665469. The reversal of 7145665460 is 645665417.

It can be written as a sum of positive squares in 2 ways, for example, as 1897822096 + 5247843364 = 43564^2 + 72442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145665469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178641617 + ... + 178641656.

It is an arithmetic number, because the mean of its divisors is an integer number (1250491459).

Almost surely, 2^7145665460 is an apocalyptic number.

It is an amenable number.

7145665460 is an abundant number, since it is smaller than the sum of its proper divisors (7860232048).

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

7145665460 is a wasteful number, since it uses less digits than its factorization.

7145665460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357283282 (or 357283280 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 7145665460 is about 84532.0380684152. The cubic root of 7145665460 is about 1926.1091452600.

The spelling of 7145665460 in words is "seven billion, one hundred forty-five million, six hundred sixty-five thousand, four hundred sixty".