9157345 has 4 divisors (see below), whose sum is σ = 10988820. Its totient is φ = 7325872.

The previous prime is 9157321. The next prime is 9157387. The reversal of 9157345 is 5437519.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5437519 = 67 ⋅81157.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 6185169 = 1724^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 9157345 - 2¹¹ = 9155297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9157345.

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 3 ways as a sum of consecutive naturals, for example, 915730 + ... + 915739.

It is an arithmetic number, because the mean of its divisors is an integer number (2747205).

Almost surely, 2^9157345 is an apocalyptic number.

It is an amenable number.

9157345 is a deficient number, since it is larger than the sum of its proper divisors (1831475).

9157345 is a wasteful number, since it uses less digits than its factorization.

9157345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831474.

The product of its digits is 18900, while the sum is 34.

The square root of 9157345 is about 3026.1105399506. The cubic root of 9157345 is about 209.2135740966.

The spelling of 9157345 in words is "nine million, one hundred fifty-seven thousand, three hundred forty-five".