64857714341145 has 32 divisors (see below), whose sum is σ = 113700542555520. Its totient is φ = 31308845015040.

The previous prime is 64857714341113. The next prime is 64857714341149. The reversal of 64857714341145 is 54114341775846.

It is not a de Polignac number, because 64857714341145 - 2⁵ = 64857714341113 is a prime.

It is a super-2 number, since 2×64857714341145² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64857714341149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858209064 + ... + 858284633.

It is an arithmetic number, because the mean of its divisors is an integer number (3553141954860).

Almost surely, 2^{64857714341145} is an apocalyptic number.

It is an amenable number.

64857714341145 is a deficient number, since it is larger than the sum of its proper divisors (48842828214375).

64857714341145 is a wasteful number, since it uses less digits than its factorization.

64857714341145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716493945.

The product of its digits is 45158400, while the sum is 60.

The spelling of 64857714341145 in words is "sixty-four trillion, eight hundred fifty-seven billion, seven hundred fourteen million, three hundred forty-one thousand, one hundred forty-five".