1151345 has 8 divisors (see below), whose sum is σ = 1487976. Its totient is φ = 850176.

The previous prime is 1151333. The next prime is 1151363. The reversal of 1151345 is 5431511.

It can be written as a sum of positive squares in 4 ways, for example, as 167281 + 984064 = 409^2 + 992^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1151345 - 2⁸ = 1151089 is a prime.

It is a Duffinian number.

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, 8792 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (185997).

2^1151345 is an apocalyptic number.

It is an amenable number.

1151345 is a deficient number, since it is larger than the sum of its proper divisors (336631).

1151345 is a wasteful number, since it uses less digits than its factorization.

1151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731.

The product of its digits is 300, while the sum is 20.

The square root of 1151345 is about 1073.0074557057. The cubic root of 1151345 is about 104.8097841127.

Adding to 1151345 its reverse (5431511), we get a palindrome (6582856).

The spelling of 1151345 in words is "one million, one hundred fifty-one thousand, three hundred forty-five".