1045545243 has 8 divisors (see below), whose sum is σ = 1467432000. Its totient is φ = 660344328.

The previous prime is 1045545239. The next prime is 1045545283. The reversal of 1045545243 is 3425455401.

1045545243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045545243 - 2² = 1045545239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045545283) 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, 9171393 + ... + 9171506.

It is an arithmetic number, because the mean of its divisors is an integer number (183429000).

Almost surely, 2^1045545243 is an apocalyptic number.

1045545243 is a deficient number, since it is larger than the sum of its proper divisors (421886757).

1045545243 is a wasteful number, since it uses less digits than its factorization.

1045545243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342921.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 1045545243 is about 32334.8920363127. The cubic root of 1045545243 is about 1014.9569227918.

The spelling of 1045545243 in words is "one billion, forty-five million, five hundred forty-five thousand, two hundred forty-three".