445045501 has 4 divisors (see below), whose sum is σ = 445095292. Its totient is φ = 444995712.

The previous prime is 445045487. The next prime is 445045507. The reversal of 445045501 is 105540544.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 322920900 + 122124601 = 17970^2 + 11051^2 .

It is a cyclic number.

It is not a de Polignac number, because 445045501 - 2¹¹ = 445043453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445045501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445045507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7380 + ... + 30733.

It is an arithmetic number, because the mean of its divisors is an integer number (111273823).

Almost surely, 2^445045501 is an apocalyptic number.

It is an amenable number.

445045501 is a deficient number, since it is larger than the sum of its proper divisors (49791).

445045501 is a wasteful number, since it uses less digits than its factorization.

445045501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49790.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 445045501 is about 21096.1015592929. The cubic root of 445045501 is about 763.4866924040.

It can be divided in two parts, 44504 and 5501, that added together give a palindrome (50005).

The spelling of 445045501 in words is "four hundred forty-five million, forty-five thousand, five hundred one".