913145 has 8 divisors (see below), whose sum is σ = 1102920. Its totient is φ = 725760.

The previous prime is 913139. The next prime is 913151. The reversal of 913145 is 541319.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (913139) and next prime (913151).

It can be written as a sum of positive squares in 4 ways, for example, as 12544 + 900601 = 112^2 + 949^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-913145 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 913145.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (137865).

2⁹¹³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

913145 is a deficient number, since it is larger than the sum of its proper divisors (189775).

913145 is a wasteful number, since it uses less digits than its factorization.

913145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its digits is 540, while the sum is 23.

The square root of 913145 is about 955.5862075187. The cubic root of 913145 is about 97.0167186969.

It can be divided in two parts, 91314 and 5, that added together give a palindrome (91319).

The spelling of 913145 in words is "nine hundred thirteen thousand, one hundred forty-five".