1045553300 has 144 divisors (see below), whose sum is σ = 2572335360. Its totient is φ = 365568000.

The previous prime is 1045553293. The next prime is 1045553303. The reversal of 1045553300 is 33555401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045553300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045553303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4374581 + ... + 4374819.

It is an arithmetic number, because the mean of its divisors is an integer number (17863440).

Almost surely, 2^1045553300 is an apocalyptic number.

1045553300 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 1045553300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286167680).

1045553300 is an abundant number, since it is smaller than the sum of its proper divisors (1526782060).

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

1045553300 is a wasteful number, since it uses less digits than its factorization.

1045553300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1045553300 is about 32335.0166228502. The cubic root of 1045553300 is about 1014.9595298803.

The spelling of 1045553300 in words is "one billion, forty-five million, five hundred fifty-three thousand, three hundred".