1005045 has 8 divisors (see below), whose sum is σ = 1608096. Its totient is φ = 536016.

The previous prime is 1005041. The next prime is 1005049. The reversal of 1005045 is 5405001.

It is an interprime number because it is at equal distance from previous prime (1005041) and next prime (1005049).

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

It is not a de Polignac number, because 1005045 - 2² = 1005041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 67003 = 1005045 / (1 + 0 + 0 + 5 + 0 + 4 + 5).

1005045 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33487 + ... + 33516.

It is an arithmetic number, because the mean of its divisors is an integer number (201012).

2^1005045 is an apocalyptic number.

1005045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1005045 is a deficient number, since it is larger than the sum of its proper divisors (603051).

1005045 is an equidigital number, since it uses as much as digits as its factorization.

1005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67011.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1005045 is about 1002.5193264970. The cubic root of 1005045 is about 100.1678846564.

The spelling of 1005045 in words is "one million, five thousand, forty-five".