445011145 has 4 divisors (see below), whose sum is σ = 534013380. Its totient is φ = 356008912.

The previous prime is 445011143. The next prime is 445011197. The reversal of 445011145 is 541110544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195244729 + 249766416 = 13973^2 + 15804^2 .

It is a cyclic number.

It is not a de Polignac number, because 445011145 - 2¹ = 445011143 is a prime.

It is a super-2 number, since 2×445011145² = 396069838348422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445011143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44501110 + ... + 44501119.

It is an arithmetic number, because the mean of its divisors is an integer number (133503345).

Almost surely, 2^445011145 is an apocalyptic number.

It is an amenable number.

445011145 is a deficient number, since it is larger than the sum of its proper divisors (89002235).

445011145 is an equidigital number, since it uses as much as digits as its factorization.

445011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89002234.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 445011145 is about 21095.2872699094. The cubic root of 445011145 is about 763.4670457059.

Adding to 445011145 its reverse (541110544), we get a palindrome (986121689).

The spelling of 445011145 in words is "four hundred forty-five million, eleven thousand, one hundred forty-five".