445470003 has 32 divisors (see below), whose sum is σ = 751265280. Its totient is φ = 258239520.

The previous prime is 445469987. The next prime is 445470013. The reversal of 445470003 is 300074544.

It is not a de Polignac number, because 445470003 - 2⁴ = 445469987 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (445470013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25776 + ... + 39437.

It is an arithmetic number, because the mean of its divisors is an integer number (23477040).

Almost surely, 2^445470003 is an apocalyptic number.

445470003 is a deficient number, since it is larger than the sum of its proper divisors (305795277).

445470003 is a wasteful number, since it uses less digits than its factorization.

445470003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65256 (or 65250 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 445470003 is about 21106.1603092557. The cubic root of 445470003 is about 763.7293631982.

The spelling of 445470003 in words is "four hundred forty-five million, four hundred seventy thousand, three".