94172145 has 8 divisors (see below), whose sum is σ = 150675456. Its totient is φ = 50225136.

The previous prime is 94172131. The next prime is 94172167. The reversal of 94172145 is 54127149.

It is a happy number.

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

It is not a de Polignac number, because 94172145 - 2¹⁸ = 93910001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139057 + ... + 3139086.

It is an arithmetic number, because the mean of its divisors is an integer number (18834432).

Almost surely, 2^94172145 is an apocalyptic number.

It is an amenable number.

94172145 is a deficient number, since it is larger than the sum of its proper divisors (56503311).

94172145 is a wasteful number, since it uses less digits than its factorization.

94172145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278151.

The product of its digits is 10080, while the sum is 33.

The square root of 94172145 is about 9704.2333545726. The cubic root of 94172145 is about 454.9609836528.

The spelling of 94172145 in words is "ninety-four million, one hundred seventy-two thousand, one hundred forty-five".