8720145146 has 8 divisors (see below), whose sum is σ = 13158542880. Its totient is φ = 4333964188.

The previous prime is 8720145143. The next prime is 8720145179. The reversal of 8720145146 is 6415410278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8720145146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8720145143) 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, 13053776 + ... + 13054443.

It is an arithmetic number, because the mean of its divisors is an integer number (1644817860).

Almost surely, 2^8720145146 is an apocalyptic number.

8720145146 is a deficient number, since it is larger than the sum of its proper divisors (4438397734).

8720145146 is a wasteful number, since it uses less digits than its factorization.

8720145146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26108388.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 8720145146 is about 93381.7174076382. The cubic root of 8720145146 is about 2058.2963532564.

The spelling of 8720145146 in words is "eight billion, seven hundred twenty million, one hundred forty-five thousand, one hundred forty-six".