445660075 has 48 divisors (see below), whose sum is σ = 663100416. Its totient is φ = 290505600.

The previous prime is 445660057. The next prime is 445660133. The reversal of 445660075 is 570066544.

It is a happy number.

It is not a de Polignac number, because 445660075 - 2¹⁷ = 445529003 is a prime.

It is a super-2 number, since 2×445660075² = 397225804898011250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058365 + ... + 1058785.

It is an arithmetic number, because the mean of its divisors is an integer number (13814592).

Almost surely, 2^445660075 is an apocalyptic number.

445660075 is a deficient number, since it is larger than the sum of its proper divisors (217440341).

445660075 is a wasteful number, since it uses less digits than its factorization.

445660075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 445660075 is about 21110.6625902647. The cubic root of 445660075 is about 763.8379697825.

The spelling of 445660075 in words is "four hundred forty-five million, six hundred sixty thousand, seventy-five".