6457520145 has 8 divisors (see below), whose sum is σ = 10332032256. Its totient is φ = 3444010736.

The previous prime is 6457520033. The next prime is 6457520191. The reversal of 6457520145 is 5410257546.

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

It is a cyclic number.

It is not a de Polignac number, because 6457520145 - 2⁸ = 6457519889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215250657 + ... + 215250686.

It is an arithmetic number, because the mean of its divisors is an integer number (1291504032).

Almost surely, 2^6457520145 is an apocalyptic number.

It is an amenable number.

6457520145 is a deficient number, since it is larger than the sum of its proper divisors (3874512111).

6457520145 is a wasteful number, since it uses less digits than its factorization.

6457520145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430501351.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 6457520145 is about 80358.6967602138. The cubic root of 6457520145 is about 1862.1811373717.

The spelling of 6457520145 in words is "six billion, four hundred fifty-seven million, five hundred twenty thousand, one hundred forty-five".