9457145 has 4 divisors (see below), whose sum is σ = 11348580. Its totient is φ = 7565712.

The previous prime is 9457127. The next prime is 9457171. The reversal of 9457145 is 5417549.

9457145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 6661561 = 1672^2 + 2581^2 .

It is a cyclic number.

It is not a de Polignac number, because 9457145 - 2¹⁶ = 9391609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945710 + ... + 945719.

It is an arithmetic number, because the mean of its divisors is an integer number (2837145).

Almost surely, 2^9457145 is an apocalyptic number.

It is an amenable number.

9457145 is a deficient number, since it is larger than the sum of its proper divisors (1891435).

9457145 is a wasteful number, since it uses less digits than its factorization.

9457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891434.

The product of its digits is 25200, while the sum is 35.

The square root of 9457145 is about 3075.2471445398. The cubic root of 9457145 is about 211.4722320830.

The spelling of 9457145 in words is "nine million, four hundred fifty-seven thousand, one hundred forty-five".