67125145 has 8 divisors (see below), whose sum is σ = 80795520. Its totient is φ = 53536560.

The previous prime is 67125073. The next prime is 67125151. The reversal of 67125145 is 54152176.

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

It is not a de Polignac number, because 67125145 - 2⁹ = 67124633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18625 + ... + 21934.

It is an arithmetic number, because the mean of its divisors is an integer number (10099440).

Almost surely, 2^67125145 is an apocalyptic number.

It is an amenable number.

67125145 is a deficient number, since it is larger than the sum of its proper divisors (13670375).

67125145 is a wasteful number, since it uses less digits than its factorization.

67125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40895.

The product of its digits is 8400, while the sum is 31.

The square root of 67125145 is about 8192.9936531161. The cubic root of 67125145 is about 406.4075295979.

The spelling of 67125145 in words is "sixty-seven million, one hundred twenty-five thousand, one hundred forty-five".