1043545 has 8 divisors (see below), whose sum is σ = 1326024. Its totient is φ = 785664.

The previous prime is 1043543. The next prime is 1043557. The reversal of 1043545 is 5453401.

It can be written as a sum of positive squares in 4 ways, for example, as 51529 + 992016 = 227^2 + 996^2 .

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 1043545 - 2¹ = 1043543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6054 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (165753).

2^1043545 is an apocalyptic number.

It is an amenable number.

1043545 is a deficient number, since it is larger than the sum of its proper divisors (282479).

1043545 is a wasteful number, since it uses less digits than its factorization.

1043545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12299.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1043545 is about 1021.5405033576. The cubic root of 1043545 is about 101.4309268211.

Adding to 1043545 its reverse (5453401), we get a palindrome (6496946).

The spelling of 1043545 in words is "one million, forty-three thousand, five hundred forty-five".