1150645 has 8 divisors (see below), whose sum is σ = 1462104. Its totient is φ = 866304.

The previous prime is 1150631. The next prime is 1150649. The reversal of 1150645 is 5460511.

1150645 = 758² + 759².

It can be written as a sum of positive squares in 4 ways, for example, as 574564 + 576081 = 758^2 + 759^2 .

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 1150645 - 2¹⁵ = 1117877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6684 + ... + 6853.

It is an arithmetic number, because the mean of its divisors is an integer number (182763).

2^1150645 is an apocalyptic number.

1150645 is the 759-th centered square number.

It is an amenable number.

1150645 is a deficient number, since it is larger than the sum of its proper divisors (311459).

1150645 is a wasteful number, since it uses less digits than its factorization.

1150645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1150645 is about 1072.6812201209. The cubic root of 1150645 is about 104.7885388958.

The spelling of 1150645 in words is "one million, one hundred fifty thousand, six hundred forty-five".