445045503 has 8 divisors (see below), whose sum is σ = 678164608. Its totient is φ = 254311704.

The previous prime is 445045487. The next prime is 445045507. The reversal of 445045503 is 305540544.

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

It is not a de Polignac number, because 445045503 - 2⁴ = 445045487 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10596301 + ... + 10596342.

It is an arithmetic number, because the mean of its divisors is an integer number (84770576).

Almost surely, 2^445045503 is an apocalyptic number.

445045503 is a deficient number, since it is larger than the sum of its proper divisors (233119105).

445045503 is a wasteful number, since it uses less digits than its factorization.

445045503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192653.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 445045503 is about 21096.1016066950. The cubic root of 445045503 is about 763.4866935477.

The spelling of 445045503 in words is "four hundred forty-five million, forty-five thousand, five hundred three".