1045133320 has 128 divisors (see below), whose sum is σ = 3033158400. Its totient is φ = 314496000.

The previous prime is 1045133279. The next prime is 1045133357. The reversal of 1045133320 is 233315401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1045133291 and 1045133300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83470 + ... + 95170.

It is an arithmetic number, because the mean of its divisors is an integer number (23696550).

Almost surely, 2^1045133320 is an apocalyptic number.

1045133320 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 1045133320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516579200).

1045133320 is an abundant number, since it is smaller than the sum of its proper divisors (1988025080).

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

1045133320 is a wasteful number, since it uses less digits than its factorization.

1045133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759 (or 11755 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1045133320 is about 32328.5217725772. The cubic root of 1045133320 is about 1014.8236146700.

Adding to 1045133320 its reverse (233315401), we get a palindrome (1278448721).

The spelling of 1045133320 in words is "one billion, forty-five million, one hundred thirty-three thousand, three hundred twenty".