9478145 has 8 divisors (see below), whose sum is σ = 11534400. Its totient is φ = 7475440.

The previous prime is 9478141. The next prime is 9478153. The reversal of 9478145 is 5418749.

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

It is not a de Polignac number, because 9478145 - 2² = 9478141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9478099 and 9478108.

It is not an unprimeable number, because it can be changed into a prime (9478141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12995 + ... + 13704.

It is an arithmetic number, because the mean of its divisors is an integer number (1441800).

It is a Proth number, since it is equal to 1157 ⋅ 2¹³ + 1 and 1157 < 2¹³.

Almost surely, 2^9478145 is an apocalyptic number.

It is an amenable number.

9478145 is a deficient number, since it is larger than the sum of its proper divisors (2056255).

9478145 is a wasteful number, since it uses less digits than its factorization.

9478145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26775.

The product of its digits is 40320, while the sum is 38.

The square root of 9478145 is about 3078.6596109346. The cubic root of 9478145 is about 211.6286441165.

The spelling of 9478145 in words is "nine million, four hundred seventy-eight thousand, one hundred forty-five".