1045446445 has 8 divisors (see below), whose sum is σ = 1259418744. Its totient is φ = 833101824.

The previous prime is 1045446379. The next prime is 1045446469. The reversal of 1045446445 is 5446445401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 489382884 + 556063561 = 22122^2 + 23581^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1045446445 - 2¹⁷ = 1045315373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 405504 + ... + 408073.

It is an arithmetic number, because the mean of its divisors is an integer number (157427343).

Almost surely, 2^1045446445 is an apocalyptic number.

It is an amenable number.

1045446445 is a deficient number, since it is larger than the sum of its proper divisors (213972299).

1045446445 is an equidigital number, since it uses as much as digits as its factorization.

1045446445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813839.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 1045446445 is about 32333.3642697447. The cubic root of 1045446445 is about 1014.9249525915.

The spelling of 1045446445 in words is "one billion, forty-five million, four hundred forty-six thousand, four hundred forty-five".