1045205412 has 24 divisors (see below), whose sum is σ = 2443286496. Its totient is φ = 347762688.

The previous prime is 1045205401. The next prime is 1045205417. The reversal of 1045205412 is 2145025401.

It is not an unprimeable number, because it can be changed into a prime (1045205417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73053 + ... + 86180.

It is an arithmetic number, because the mean of its divisors is an integer number (101803604).

Almost surely, 2^1045205412 is an apocalyptic number.

1045205412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1045205412 is an abundant number, since it is smaller than the sum of its proper divisors (1398081084).

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

1045205412 is a wasteful number, since it uses less digits than its factorization.

1045205412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159787 (or 159785 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1045205412 is about 32329.6367440155. The cubic root of 1045205412 is about 1014.8469478915.

The spelling of 1045205412 in words is "one billion, forty-five million, two hundred five thousand, four hundred twelve".