917340145 has 16 divisors (see below), whose sum is σ = 1176888960. Its totient is φ = 683990784.

The previous prime is 917340133. The next prime is 917340173. The reversal of 917340145 is 541043719.

It is not a de Polignac number, because 917340145 - 2²⁹ = 380469233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 917340145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43635 + ... + 61144.

It is an arithmetic number, because the mean of its divisors is an integer number (73555560).

Almost surely, 2^917340145 is an apocalyptic number.

It is an amenable number.

917340145 is a deficient number, since it is larger than the sum of its proper divisors (259548815).

917340145 is a wasteful number, since it uses less digits than its factorization.

917340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104904.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 917340145 is about 30287.6236274819. The cubic root of 917340145 is about 971.6506224711.

The spelling of 917340145 in words is "nine hundred seventeen million, three hundred forty thousand, one hundred forty-five".