1045000 has 80 divisors (see below), whose sum is σ = 2811600. Its totient is φ = 360000.

The previous prime is 1044997. The next prime is 1045003. The reversal of 1045000 is 5401.

1045000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1044997) and next prime (1045003).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1045003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54991 + ... + 55009.

It is an arithmetic number, because the mean of its divisors is an integer number (35145).

2^1045000 is an apocalyptic number.

1045000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405800).

1045000 is an abundant number, since it is smaller than the sum of its proper divisors (1766600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045000 is a wasteful number, since it uses less digits than its factorization.

1045000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1045000 is about 1022.2524150130. The cubic root of 1045000 is about 101.4780461631.

The spelling of 1045000 in words is "one million, forty-five thousand".