75625145 has 8 divisors (see below), whose sum is σ = 91005120. Its totient is φ = 60330160.

The previous prime is 75625141. The next prime is 75625157. The reversal of 75625145 is 54152657.

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

It is not a de Polignac number, because 75625145 - 2² = 75625141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75625141) by changing a digit.

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, 19271 + ... + 22860.

It is an arithmetic number, because the mean of its divisors is an integer number (11375640).

Almost surely, 2^75625145 is an apocalyptic number.

It is an amenable number.

75625145 is a deficient number, since it is larger than the sum of its proper divisors (15379975).

75625145 is a wasteful number, since it uses less digits than its factorization.

75625145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42495.

The product of its digits is 42000, while the sum is 35.

The square root of 75625145 is about 8696.2719023729. The cubic root of 75625145 is about 422.8847981789.

The spelling of 75625145 in words is "seventy-five million, six hundred twenty-five thousand, one hundred forty-five".