1045472 has 24 divisors (see below), whose sum is σ = 2116296. Its totient is φ = 508032.

The previous prime is 1045469. The next prime is 1045487. The reversal of 1045472 is 2745401.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 743 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (88179).

2^1045472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058148).

1045472 is an abundant number, since it is smaller than the sum of its proper divisors (1070824).

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

1045472 is an equidigital number, since it uses as much as digits as its factorization.

1045472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1045472 is about 1022.4832516966. The cubic root of 1045472 is about 101.4933222167.

The spelling of 1045472 in words is "one million, forty-five thousand, four hundred seventy-two".