1045240000 has 140 divisors (see below), whose sum is σ = 2962914064. Its totient is φ = 358272000.

The previous prime is 1045239997. The next prime is 1045240013. The reversal of 1045240000 is 425401.

It is a tau number, because it is divible by the number of its divisors (140).

It is a Harshad number since it is a multiple of its sum of digits (16).

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 19 ways as a sum of consecutive naturals, for example, 278134 + ... + 281866.

Almost surely, 2^1045240000 is an apocalyptic number.

1045240000 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 1045240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481457032).

1045240000 is an abundant number, since it is smaller than the sum of its proper divisors (1917674064).

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

1045240000 is an frugal number, since it uses more digits than its factorization.

1045240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1045240000 is about 32330.1716667264. The cubic root of 1045240000 is about 1014.8581422267.

Adding to 1045240000 its reverse (425401), we get a palindrome (1045665401).

The spelling of 1045240000 in words is "one billion, forty-five million, two hundred forty thousand".