445189055 has 4 divisors (see below), whose sum is σ = 534226872. Its totient is φ = 356151240.

The previous prime is 445189039. The next prime is 445189067. The reversal of 445189055 is 550981544.

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

It is not a de Polignac number, because 445189055 - 2⁴ = 445189039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44518901 + ... + 44518910.

It is an arithmetic number, because the mean of its divisors is an integer number (133556718).

Almost surely, 2^445189055 is an apocalyptic number.

445189055 is a deficient number, since it is larger than the sum of its proper divisors (89037817).

445189055 is an equidigital number, since it uses as much as digits as its factorization.

445189055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89037816.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 445189055 is about 21099.5036671482. The cubic root of 445189055 is about 763.5687737389.

The spelling of 445189055 in words is "four hundred forty-five million, one hundred eighty-nine thousand, fifty-five".