1047145444 has 24 divisors (see below), whose sum is σ = 1847260800. Its totient is φ = 519370176.

The previous prime is 1047145441. The next prime is 1047145457. The reversal of 1047145444 is 4445417401.

It is not an unprimeable number, because it can be changed into a prime (1047145441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398824 + ... + 401440.

It is an arithmetic number, because the mean of its divisors is an integer number (76969200).

Almost surely, 2^1047145444 is an apocalyptic number.

It is an amenable number.

1047145444 is a deficient number, since it is larger than the sum of its proper divisors (800115356).

1047145444 is a wasteful number, since it uses less digits than its factorization.

1047145444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 1047145444 is about 32359.6267592814. The cubic root of 1047145444 is about 1015.4744541058.

The spelling of 1047145444 in words is "one billion, forty-seven million, one hundred forty-five thousand, four hundred forty-four".