1004545 has 4 divisors (see below), whose sum is σ = 1205460. Its totient is φ = 803632.

The previous prime is 1004537. The next prime is 1004551. The reversal of 1004545 is 5454001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 767376 = 487^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004545 - 2³ = 1004537 is a prime.

It is a super-2 number, since 2×1004545² = 2018221314050, which contains 22 as substring.

1004545 is a modest number, since divided by 4545 gives 100 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100450 + ... + 100459.

It is an arithmetic number, because the mean of its divisors is an integer number (301365).

It is a Proth number, since it is equal to 981 ⋅ 2¹⁰ + 1 and 981 < 2¹⁰.

2^1004545 is an apocalyptic number.

It is an amenable number.

1004545 is a deficient number, since it is larger than the sum of its proper divisors (200915).

1004545 is an equidigital number, since it uses as much as digits as its factorization.

1004545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200914.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1004545 is about 1002.2699237231. The cubic root of 1004545 is about 100.1512710553.

Adding to 1004545 its reverse (5454001), we get a palindrome (6458546).

The spelling of 1004545 in words is "one million, four thousand, five hundred forty-five".