75845545 has 8 divisors (see below), whose sum is σ = 92951424. Its totient is φ = 59385264.

The previous prime is 75845519. The next prime is 75845563. The reversal of 75845545 is 54554857.

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 75845545 - 2¹⁷ = 75714473 is a prime.

It is a Duffinian number.

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, 161139 + ... + 161608.

It is an arithmetic number, because the mean of its divisors is an integer number (11618928).

Almost surely, 2^75845545 is an apocalyptic number.

It is an amenable number.

75845545 is a deficient number, since it is larger than the sum of its proper divisors (17105879).

75845545 is a wasteful number, since it uses less digits than its factorization.

75845545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322799.

The product of its digits is 560000, while the sum is 43.

The square root of 75845545 is about 8708.9347798683. The cubic root of 75845545 is about 423.2952146360.

The spelling of 75845545 in words is "seventy-five million, eight hundred forty-five thousand, five hundred forty-five".