67145454534 has 8 divisors (see below), whose sum is σ = 134290909080. Its totient is φ = 22381818176.

The previous prime is 67145454527. The next prime is 67145454553. The reversal of 67145454534 is 43545454176.

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

67145454534 is an admirable number.

It is a super-2 number, since 2×67145454534² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5595454539 + ... + 5595454550.

It is an arithmetic number, because the mean of its divisors is an integer number (16786363635).

Almost surely, 2^67145454534 is an apocalyptic number.

67145454534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67145454534 is a wasteful number, since it uses less digits than its factorization.

67145454534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190909094.

The product of its digits is 4032000, while the sum is 48.

The spelling of 67145454534 in words is "sixty-seven billion, one hundred forty-five million, four hundred fifty-four thousand, five hundred thirty-four".