445031045 has 8 divisors (see below), whose sum is σ = 535384824. Its totient is φ = 355126464.

The previous prime is 445031039. The next prime is 445031057. The reversal of 445031045 is 540130544.

It can be written as a sum of positive squares in 4 ways, for example, as 87291649 + 357739396 = 9343^2 + 18914^2 .

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 445031045 - 2¹⁰ = 445030021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110114 + ... + 114083.

It is an arithmetic number, because the mean of its divisors is an integer number (66923103).

Almost surely, 2^445031045 is an apocalyptic number.

It is an amenable number.

445031045 is a deficient number, since it is larger than the sum of its proper divisors (90353779).

445031045 is a wasteful number, since it uses less digits than its factorization.

445031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224599.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 445031045 is about 21095.7589339659. The cubic root of 445031045 is about 763.4784257713.

Adding to 445031045 its reverse (540130544), we get a palindrome (985161589).

The spelling of 445031045 in words is "four hundred forty-five million, thirty-one thousand, forty-five".